Home / 591,398,837.28-816,381,689.08-368,490,651.40

Finding the Fourth Proportional to 591,398,837.28, 816,381,689.08 and 368,490,651.40

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Solution

The fourth proportional to 591,398,837.28, 816,381,689.08 and 368,490,651.40 is: 508,673,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,398,837.28 : 816,381,689.08 = 368,490,651.40 : x
  2. Step 2: Convert to fraction form
    591,398,837.28/816,381,689.08 = 368,490,651.40/x
  3. Step 3: Cross multiply
    591,398,837.28x = 816,381,689.08 × 368,490,651.40
  4. Step 4: Simplify right side
    591,398,837.28x = 300,829,020,400,121,472
  5. Step 5: Solve for x
    x = 300,829,020,400,121,472/591,398,837.28
  6. Step 6: Final answer
    x = 508,673,675.76

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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.