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Finding the Fourth Proportional to 411,159,410.88, 567,398,468.88 and 254,495,328

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Solution

The fourth proportional to 411,159,410.88, 567,398,468.88 and 254,495,328 is: 351,202,612.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,159,410.88 : 567,398,468.88 = 254,495,328 : x
  2. Step 2: Convert to fraction form
    411,159,410.88/567,398,468.88 = 254,495,328/x
  3. Step 3: Cross multiply
    411,159,410.88x = 567,398,468.88 × 254,495,328
  4. Step 4: Simplify right side
    411,159,410.88x = 144,400,259,444,313,376
  5. Step 5: Solve for x
    x = 144,400,259,444,313,376/411,159,410.88
  6. Step 6: Final answer
    x = 351,202,612.96

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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.