Home / 1,254,745,262.28-1,731,538,906.29-690,218,018.94

Finding the Fourth Proportional to 1,254,745,262.28, 1,731,538,906.29 and 690,218,018.94

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Solution

The fourth proportional to 1,254,745,262.28, 1,731,538,906.29 and 690,218,018.94 is: 952,495,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,745,262.28 : 1,731,538,906.29 = 690,218,018.94 : x
  2. Step 2: Convert to fraction form
    1,254,745,262.28/1,731,538,906.29 = 690,218,018.94/x
  3. Step 3: Cross multiply
    1,254,745,262.28x = 1,731,538,906.29 × 690,218,018.94
  4. Step 4: Simplify right side
    1,254,745,262.28x = 1,195,139,353,617,018,112
  5. Step 5: Solve for x
    x = 1,195,139,353,617,018,112/1,254,745,262.28
  6. Step 6: Final answer
    x = 952,495,609.70

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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.