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Finding the Fourth Proportional to 611,767,727.52, 917,652,468.96 and 467,023,117.92

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Solution

The fourth proportional to 611,767,727.52, 917,652,468.96 and 467,023,117.92 is: 700,535,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,767,727.52 : 917,652,468.96 = 467,023,117.92 : x
  2. Step 2: Convert to fraction form
    611,767,727.52/917,652,468.96 = 467,023,117.92/x
  3. Step 3: Cross multiply
    611,767,727.52x = 917,652,468.96 × 467,023,117.92
  4. Step 4: Simplify right side
    611,767,727.52x = 428,564,917,220,685,248
  5. Step 5: Solve for x
    x = 428,564,917,220,685,248/611,767,727.52
  6. Step 6: Final answer
    x = 700,535,346.90

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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.