Home / 782,019,935.40-1,174,283,279.10-621,794,245.80

Finding the Fourth Proportional to 782,019,935.40, 1,174,283,279.10 and 621,794,245.80

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Solution

The fourth proportional to 782,019,935.40, 1,174,283,279.10 and 621,794,245.80 is: 933,687,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,019,935.40 : 1,174,283,279.10 = 621,794,245.80 : x
  2. Step 2: Convert to fraction form
    782,019,935.40/1,174,283,279.10 = 621,794,245.80/x
  3. Step 3: Cross multiply
    782,019,935.40x = 1,174,283,279.10 × 621,794,245.80
  4. Step 4: Simplify right side
    782,019,935.40x = 730,162,585,883,535,232
  5. Step 5: Solve for x
    x = 730,162,585,883,535,232/782,019,935.40
  6. Step 6: Final answer
    x = 933,687,944.30

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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.