Home / 473,949,711.12-710,668,948.92-215,023,650.96

Finding the Fourth Proportional to 473,949,711.12, 710,668,948.92 and 215,023,650.96

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Solution

The fourth proportional to 473,949,711.12, 710,668,948.92 and 215,023,650.96 is: 322,419,506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,949,711.12 : 710,668,948.92 = 215,023,650.96 : x
  2. Step 2: Convert to fraction form
    473,949,711.12/710,668,948.92 = 215,023,650.96/x
  3. Step 3: Cross multiply
    473,949,711.12x = 710,668,948.92 × 215,023,650.96
  4. Step 4: Simplify right side
    473,949,711.12x = 152,810,632,020,684,160
  5. Step 5: Solve for x
    x = 152,810,632,020,684,160/473,949,711.12
  6. Step 6: Final answer
    x = 322,419,506.62

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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.