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Finding the Fourth Proportional to 573,699,924, 860,553,035.28 and 142,878,420

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Solution

The fourth proportional to 573,699,924, 860,553,035.28 and 142,878,420 is: 214,318,414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,699,924 : 860,553,035.28 = 142,878,420 : x
  2. Step 2: Convert to fraction form
    573,699,924/860,553,035.28 = 142,878,420/x
  3. Step 3: Cross multiply
    573,699,924x = 860,553,035.28 × 142,878,420
  4. Step 4: Simplify right side
    573,699,924x = 122,954,458,007,010,656
  5. Step 5: Solve for x
    x = 122,954,458,007,010,656/573,699,924
  6. Step 6: Final answer
    x = 214,318,414.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.