Home / 907,486,515.90-1,361,229,773.85-887,331,123.90

Finding the Fourth Proportional to 907,486,515.90, 1,361,229,773.85 and 887,331,123.90

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Solution

The fourth proportional to 907,486,515.90, 1,361,229,773.85 and 887,331,123.90 is: 1,330,996,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,486,515.90 : 1,361,229,773.85 = 887,331,123.90 : x
  2. Step 2: Convert to fraction form
    907,486,515.90/1,361,229,773.85 = 887,331,123.90/x
  3. Step 3: Cross multiply
    907,486,515.90x = 1,361,229,773.85 × 887,331,123.90
  4. Step 4: Simplify right side
    907,486,515.90x = 1,207,861,545,116,463,104
  5. Step 5: Solve for x
    x = 1,207,861,545,116,463,104/907,486,515.90
  6. Step 6: Final answer
    x = 1,330,996,685.85

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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.