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Finding the Fourth Proportional to 637,972,468.92, 956,958,703.92 and 153,298,276.92

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Solution

The fourth proportional to 637,972,468.92, 956,958,703.92 and 153,298,276.92 is: 229,947,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,972,468.92 : 956,958,703.92 = 153,298,276.92 : x
  2. Step 2: Convert to fraction form
    637,972,468.92/956,958,703.92 = 153,298,276.92/x
  3. Step 3: Cross multiply
    637,972,468.92x = 956,958,703.92 × 153,298,276.92
  4. Step 4: Simplify right side
    637,972,468.92x = 146,700,120,394,532,416
  5. Step 5: Solve for x
    x = 146,700,120,394,532,416/637,972,468.92
  6. Step 6: Final answer
    x = 229,947,415.51

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Double scale
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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.