Home / 524,561,117.28-723,895,361.28-289,612,232.16

Finding the Fourth Proportional to 524,561,117.28, 723,895,361.28 and 289,612,232.16

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Solution

The fourth proportional to 524,561,117.28, 723,895,361.28 and 289,612,232.16 is: 399,665,443.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,561,117.28 : 723,895,361.28 = 289,612,232.16 : x
  2. Step 2: Convert to fraction form
    524,561,117.28/723,895,361.28 = 289,612,232.16/x
  3. Step 3: Cross multiply
    524,561,117.28x = 723,895,361.28 × 289,612,232.16
  4. Step 4: Simplify right side
    524,561,117.28x = 209,648,951,430,570,432
  5. Step 5: Solve for x
    x = 209,648,951,430,570,432/524,561,117.28
  6. Step 6: Final answer
    x = 399,665,443.21

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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.