Home / 527,640,061.60-791,460,092.40-442,987,415.20

Finding the Fourth Proportional to 527,640,061.60, 791,460,092.40 and 442,987,415.20

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Solution

The fourth proportional to 527,640,061.60, 791,460,092.40 and 442,987,415.20 is: 664,481,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,640,061.60 : 791,460,092.40 = 442,987,415.20 : x
  2. Step 2: Convert to fraction form
    527,640,061.60/791,460,092.40 = 442,987,415.20/x
  3. Step 3: Cross multiply
    527,640,061.60x = 791,460,092.40 × 442,987,415.20
  4. Step 4: Simplify right side
    527,640,061.60x = 350,606,860,566,229,120
  5. Step 5: Solve for x
    x = 350,606,860,566,229,120/527,640,061.60
  6. Step 6: Final answer
    x = 664,481,122.80

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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.