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Finding the Fourth Proportional to 577,372,219.60, 864,357,718.20 and 543,737,909.20

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Solution

The fourth proportional to 577,372,219.60, 864,357,718.20 and 543,737,909.20 is: 814,005,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,372,219.60 : 864,357,718.20 = 543,737,909.20 : x
  2. Step 2: Convert to fraction form
    577,372,219.60/864,357,718.20 = 543,737,909.20/x
  3. Step 3: Cross multiply
    577,372,219.60x = 864,357,718.20 × 543,737,909.20
  4. Step 4: Simplify right side
    577,372,219.60x = 469,984,058,494,950,848
  5. Step 5: Solve for x
    x = 469,984,058,494,950,848/577,372,219.60
  6. Step 6: Final answer
    x = 814,005,320.21

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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.