Home / 930,945,359.20-1,396,758,545.79-433,193,266.03

Finding the Fourth Proportional to 930,945,359.20, 1,396,758,545.79 and 433,193,266.03

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Solution

The fourth proportional to 930,945,359.20, 1,396,758,545.79 and 433,193,266.03 is: 649,948,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,945,359.20 : 1,396,758,545.79 = 433,193,266.03 : x
  2. Step 2: Convert to fraction form
    930,945,359.20/1,396,758,545.79 = 433,193,266.03/x
  3. Step 3: Cross multiply
    930,945,359.20x = 1,396,758,545.79 × 433,193,266.03
  4. Step 4: Simplify right side
    930,945,359.20x = 605,066,396,306,083,328
  5. Step 5: Solve for x
    x = 605,066,396,306,083,328/930,945,359.20
  6. Step 6: Final answer
    x = 649,948,345.87

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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.