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Finding the Fourth Proportional to 586,387,705.02, 808,843,177.35 and 360,227,721.66

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Solution

The fourth proportional to 586,387,705.02, 808,843,177.35 and 360,227,721.66 is: 496,885,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,387,705.02 : 808,843,177.35 = 360,227,721.66 : x
  2. Step 2: Convert to fraction form
    586,387,705.02/808,843,177.35 = 360,227,721.66/x
  3. Step 3: Cross multiply
    586,387,705.02x = 808,843,177.35 × 360,227,721.66
  4. Step 4: Simplify right side
    586,387,705.02x = 291,367,734,957,025,856
  5. Step 5: Solve for x
    x = 291,367,734,957,025,856/586,387,705.02
  6. Step 6: Final answer
    x = 496,885,818.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.