Home / 15,123,753,529.13-20,880,198,863.96-9,627,369,349.93

Finding the Fourth Proportional to 15,123,753,529.13, 20,880,198,863.96 and 9,627,369,349.93

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Solution

The fourth proportional to 15,123,753,529.13, 20,880,198,863.96 and 9,627,369,349.93 is: 13,291,765,577.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,123,753,529.13 : 20,880,198,863.96 = 9,627,369,349.93 : x
  2. Step 2: Convert to fraction form
    15,123,753,529.13/20,880,198,863.96 = 9,627,369,349.93/x
  3. Step 3: Cross multiply
    15,123,753,529.13x = 20,880,198,863.96 × 9,627,369,349.93
  4. Step 4: Simplify right side
    15,123,753,529.13x = 201,021,386,563,331,719,168
  5. Step 5: Solve for x
    x = 201,021,386,563,331,719,168/15,123,753,529.13
  6. Step 6: Final answer
    x = 13,291,765,577.65

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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.