Home / 8,078,697,332.70-12,118,045,999.05-4,979,333,420.70

Finding the Fourth Proportional to 8,078,697,332.70, 12,118,045,999.05 and 4,979,333,420.70

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Solution

The fourth proportional to 8,078,697,332.70, 12,118,045,999.05 and 4,979,333,420.70 is: 7,469,000,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078,697,332.70 : 12,118,045,999.05 = 4,979,333,420.70 : x
  2. Step 2: Convert to fraction form
    8,078,697,332.70/12,118,045,999.05 = 4,979,333,420.70/x
  3. Step 3: Cross multiply
    8,078,697,332.70x = 12,118,045,999.05 × 4,979,333,420.70
  4. Step 4: Simplify right side
    8,078,697,332.70x = 60,339,791,436,649,578,496
  5. Step 5: Solve for x
    x = 60,339,791,436,649,578,496/8,078,697,332.70
  6. Step 6: Final answer
    x = 7,469,000,131.05

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Double scale
Find fourth proportional to 8,078,697,333.70, 12,118,046,000.55 and 4,979,333,421.70
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.