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Finding the Fourth Proportional to 577,368,116.70, 866,085,352.65 and 168,487,374.30

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Solution

The fourth proportional to 577,368,116.70, 866,085,352.65 and 168,487,374.30 is: 252,740,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368,116.70 : 866,085,352.65 = 168,487,374.30 : x
  2. Step 2: Convert to fraction form
    577,368,116.70/866,085,352.65 = 168,487,374.30/x
  3. Step 3: Cross multiply
    577,368,116.70x = 866,085,352.65 × 168,487,374.30
  4. Step 4: Simplify right side
    577,368,116.70x = 145,924,446,987,688,064
  5. Step 5: Solve for x
    x = 145,924,446,987,688,064/577,368,116.70
  6. Step 6: Final answer
    x = 252,740,743.33

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Why These Related Problems?

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