Home / 8,345,644,803.70-12,518,467,205.55-8,287,531,730.35

Finding the Fourth Proportional to 8,345,644,803.70, 12,518,467,205.55 and 8,287,531,730.35

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Solution

The fourth proportional to 8,345,644,803.70, 12,518,467,205.55 and 8,287,531,730.35 is: 12,431,297,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345,644,803.70 : 12,518,467,205.55 = 8,287,531,730.35 : x
  2. Step 2: Convert to fraction form
    8,345,644,803.70/12,518,467,205.55 = 8,287,531,730.35/x
  3. Step 3: Cross multiply
    8,345,644,803.70x = 12,518,467,205.55 × 8,287,531,730.35
  4. Step 4: Simplify right side
    8,345,644,803.70x = 103,747,194,181,341,511,680
  5. Step 5: Solve for x
    x = 103,747,194,181,341,511,680/8,345,644,803.70
  6. Step 6: Final answer
    x = 12,431,297,595.53

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Half scale
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Double scale
Find fourth proportional to 8,345,644,804.70, 12,518,467,207.05 and 8,287,531,731.35
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.