Home / 1,258,192,275.18-1,887,287,415.97-338,068,613.80

Finding the Fourth Proportional to 1,258,192,275.18, 1,887,287,415.97 and 338,068,613.80

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Solution

The fourth proportional to 1,258,192,275.18, 1,887,287,415.97 and 338,068,613.80 is: 507,102,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,192,275.18 : 1,887,287,415.97 = 338,068,613.80 : x
  2. Step 2: Convert to fraction form
    1,258,192,275.18/1,887,287,415.97 = 338,068,613.80/x
  3. Step 3: Cross multiply
    1,258,192,275.18x = 1,887,287,415.97 × 338,068,613.80
  4. Step 4: Simplify right side
    1,258,192,275.18x = 638,032,640,565,124,736
  5. Step 5: Solve for x
    x = 638,032,640,565,124,736/1,258,192,275.18
  6. Step 6: Final answer
    x = 507,102,652.87

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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.