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Finding the Fourth Proportional to 867,854,619.92, 1,197,648,165.48 and 471,385,352

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Solution

The fourth proportional to 867,854,619.92, 1,197,648,165.48 and 471,385,352 is: 650,516,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,854,619.92 : 1,197,648,165.48 = 471,385,352 : x
  2. Step 2: Convert to fraction form
    867,854,619.92/1,197,648,165.48 = 471,385,352/x
  3. Step 3: Cross multiply
    867,854,619.92x = 1,197,648,165.48 × 471,385,352
  4. Step 4: Simplify right side
    867,854,619.92x = 564,553,802,056,944,064
  5. Step 5: Solve for x
    x = 564,553,802,056,944,064/867,854,619.92
  6. Step 6: Final answer
    x = 650,516,560.15

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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.