Home / 15,123,753,531.13-20,880,198,866.72-9,627,369,351.93

Finding the Fourth Proportional to 15,123,753,531.13, 20,880,198,866.72 and 9,627,369,351.93

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Solution

The fourth proportional to 15,123,753,531.13, 20,880,198,866.72 and 9,627,369,351.93 is: 13,291,765,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,123,753,531.13 : 20,880,198,866.72 = 9,627,369,351.93 : x
  2. Step 2: Convert to fraction form
    15,123,753,531.13/20,880,198,866.72 = 9,627,369,351.93/x
  3. Step 3: Cross multiply
    15,123,753,531.13x = 20,880,198,866.72 × 9,627,369,351.93
  4. Step 4: Simplify right side
    15,123,753,531.13x = 201,021,386,631,663,648,768
  5. Step 5: Solve for x
    x = 201,021,386,631,663,648,768/15,123,753,531.13
  6. Step 6: Final answer
    x = 13,291,765,580.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.