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Finding the Fourth Proportional to 399,893,419.42, 551,719,264.08 and 232,594,166.95

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Solution

The fourth proportional to 399,893,419.42, 551,719,264.08 and 232,594,166.95 is: 320,902,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,893,419.42 : 551,719,264.08 = 232,594,166.95 : x
  2. Step 2: Convert to fraction form
    399,893,419.42/551,719,264.08 = 232,594,166.95/x
  3. Step 3: Cross multiply
    399,893,419.42x = 551,719,264.08 × 232,594,166.95
  4. Step 4: Simplify right side
    399,893,419.42x = 128,326,682,618,954,656
  5. Step 5: Solve for x
    x = 128,326,682,618,954,656/399,893,419.42
  6. Step 6: Final answer
    x = 320,902,211.41

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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.