Home / 746,799,458.10-1,120,199,187.15-315,921,966.90

Finding the Fourth Proportional to 746,799,458.10, 1,120,199,187.15 and 315,921,966.90

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Solution

The fourth proportional to 746,799,458.10, 1,120,199,187.15 and 315,921,966.90 is: 473,882,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,799,458.10 : 1,120,199,187.15 = 315,921,966.90 : x
  2. Step 2: Convert to fraction form
    746,799,458.10/1,120,199,187.15 = 315,921,966.90/x
  3. Step 3: Cross multiply
    746,799,458.10x = 1,120,199,187.15 × 315,921,966.90
  4. Step 4: Simplify right side
    746,799,458.10x = 353,895,530,524,209,216
  5. Step 5: Solve for x
    x = 353,895,530,524,209,216/746,799,458.10
  6. Step 6: Final answer
    x = 473,882,950.35

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1.5x scale

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.