Home / 1,442,186,215.52-1,990,323,877.20-807,170,217.44

Finding the Fourth Proportional to 1,442,186,215.52, 1,990,323,877.20 and 807,170,217.44

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Solution

The fourth proportional to 1,442,186,215.52, 1,990,323,877.20 and 807,170,217.44 is: 1,113,954,730.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,186,215.52 : 1,990,323,877.20 = 807,170,217.44 : x
  2. Step 2: Convert to fraction form
    1,442,186,215.52/1,990,323,877.20 = 807,170,217.44/x
  3. Step 3: Cross multiply
    1,442,186,215.52x = 1,990,323,877.20 × 807,170,217.44
  4. Step 4: Simplify right side
    1,442,186,215.52x = 1,606,530,156,735,547,904
  5. Step 5: Solve for x
    x = 1,606,530,156,735,547,904/1,442,186,215.52
  6. Step 6: Final answer
    x = 1,113,954,730.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.