Home / 13,105,156,630.20-19,657,734,945.30-8,207,396,374.20

Finding the Fourth Proportional to 13,105,156,630.20, 19,657,734,945.30 and 8,207,396,374.20

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Solution

The fourth proportional to 13,105,156,630.20, 19,657,734,945.30 and 8,207,396,374.20 is: 12,311,094,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,156,630.20 : 19,657,734,945.30 = 8,207,396,374.20 : x
  2. Step 2: Convert to fraction form
    13,105,156,630.20/19,657,734,945.30 = 8,207,396,374.20/x
  3. Step 3: Cross multiply
    13,105,156,630.20x = 19,657,734,945.30 × 8,207,396,374.20
  4. Step 4: Simplify right side
    13,105,156,630.20x = 161,338,822,515,039,830,016
  5. Step 5: Solve for x
    x = 161,338,822,515,039,830,016/13,105,156,630.20
  6. Step 6: Final answer
    x = 12,311,094,561.30

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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.