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Finding the Fourth Proportional to 466,347,648.20, 699,521,472.30 and 193,578,009.80

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Solution

The fourth proportional to 466,347,648.20, 699,521,472.30 and 193,578,009.80 is: 290,367,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,347,648.20 : 699,521,472.30 = 193,578,009.80 : x
  2. Step 2: Convert to fraction form
    466,347,648.20/699,521,472.30 = 193,578,009.80/x
  3. Step 3: Cross multiply
    466,347,648.20x = 699,521,472.30 × 193,578,009.80
  4. Step 4: Simplify right side
    466,347,648.20x = 135,411,974,420,199,824
  5. Step 5: Solve for x
    x = 135,411,974,420,199,824/466,347,648.20
  6. Step 6: Final answer
    x = 290,367,014.70

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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.