Home / 858,762,098.20-1,288,143,147.30-586,664,306.20

Finding the Fourth Proportional to 858,762,098.20, 1,288,143,147.30 and 586,664,306.20

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Solution

The fourth proportional to 858,762,098.20, 1,288,143,147.30 and 586,664,306.20 is: 879,996,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,762,098.20 : 1,288,143,147.30 = 586,664,306.20 : x
  2. Step 2: Convert to fraction form
    858,762,098.20/1,288,143,147.30 = 586,664,306.20/x
  3. Step 3: Cross multiply
    858,762,098.20x = 1,288,143,147.30 × 586,664,306.20
  4. Step 4: Simplify right side
    858,762,098.20x = 755,707,605,797,038,976
  5. Step 5: Solve for x
    x = 755,707,605,797,038,976/858,762,098.20
  6. Step 6: Final answer
    x = 879,996,459.30

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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.