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Finding the Fourth Proportional to 581,858,707.62, 803,422,529.22 and 468,468,009.80

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Solution

The fourth proportional to 581,858,707.62, 803,422,529.22 and 468,468,009.80 is: 646,854,207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,858,707.62 : 803,422,529.22 = 468,468,009.80 : x
  2. Step 2: Convert to fraction form
    581,858,707.62/803,422,529.22 = 468,468,009.80/x
  3. Step 3: Cross multiply
    581,858,707.62x = 803,422,529.22 × 468,468,009.80
  4. Step 4: Simplify right side
    581,858,707.62x = 376,377,753,288,158,656
  5. Step 5: Solve for x
    x = 376,377,753,288,158,656/581,858,707.62
  6. Step 6: Final answer
    x = 646,854,207.66

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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.