Home / 727,223,640.24-1,003,539,629.12-409,676,489.04

Finding the Fourth Proportional to 727,223,640.24, 1,003,539,629.12 and 409,676,489.04

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Solution

The fourth proportional to 727,223,640.24, 1,003,539,629.12 and 409,676,489.04 is: 565,337,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,223,640.24 : 1,003,539,629.12 = 409,676,489.04 : x
  2. Step 2: Convert to fraction form
    727,223,640.24/1,003,539,629.12 = 409,676,489.04/x
  3. Step 3: Cross multiply
    727,223,640.24x = 1,003,539,629.12 × 409,676,489.04
  4. Step 4: Simplify right side
    727,223,640.24x = 411,126,591,870,385,344
  5. Step 5: Solve for x
    x = 411,126,591,870,385,344/727,223,640.24
  6. Step 6: Final answer
    x = 565,337,221.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.