Home / 825,867,200.10-1,238,800,800.15-458,535,180.90

Finding the Fourth Proportional to 825,867,200.10, 1,238,800,800.15 and 458,535,180.90

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Solution

The fourth proportional to 825,867,200.10, 1,238,800,800.15 and 458,535,180.90 is: 687,802,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,867,200.10 : 1,238,800,800.15 = 458,535,180.90 : x
  2. Step 2: Convert to fraction form
    825,867,200.10/1,238,800,800.15 = 458,535,180.90/x
  3. Step 3: Cross multiply
    825,867,200.10x = 1,238,800,800.15 × 458,535,180.90
  4. Step 4: Simplify right side
    825,867,200.10x = 568,033,748,995,844,992
  5. Step 5: Solve for x
    x = 568,033,748,995,844,992/825,867,200.10
  6. Step 6: Final answer
    x = 687,802,771.35

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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.