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Finding the Fourth Proportional to 650,791,812.64, 897,874,199 and 368,495,680

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Solution

The fourth proportional to 650,791,812.64, 897,874,199 and 368,495,680 is: 508,400,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,791,812.64 : 897,874,199 = 368,495,680 : x
  2. Step 2: Convert to fraction form
    650,791,812.64/897,874,199 = 368,495,680/x
  3. Step 3: Cross multiply
    650,791,812.64x = 897,874,199 × 368,495,680
  4. Step 4: Simplify right side
    650,791,812.64x = 330,862,763,514,960,320
  5. Step 5: Solve for x
    x = 330,862,763,514,960,320/650,791,812.64
  6. Step 6: Final answer
    x = 508,400,316.49

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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.