Home / 427,864,755.08-591,007,229.62-353,824,385.16

Finding the Fourth Proportional to 427,864,755.08, 591,007,229.62 and 353,824,385.16

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Solution

The fourth proportional to 427,864,755.08, 591,007,229.62 and 353,824,385.16 is: 488,735,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,864,755.08 : 591,007,229.62 = 353,824,385.16 : x
  2. Step 2: Convert to fraction form
    427,864,755.08/591,007,229.62 = 353,824,385.16/x
  3. Step 3: Cross multiply
    427,864,755.08x = 591,007,229.62 × 353,824,385.16
  4. Step 4: Simplify right side
    427,864,755.08x = 209,112,769,645,411,456
  5. Step 5: Solve for x
    x = 209,112,769,645,411,456/427,864,755.08
  6. Step 6: Final answer
    x = 488,735,674.45

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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.