Home / 1,298,189,429.66-1,947,299,103.48-469,206,029.90

Finding the Fourth Proportional to 1,298,189,429.66, 1,947,299,103.48 and 469,206,029.90

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Solution

The fourth proportional to 1,298,189,429.66, 1,947,299,103.48 and 469,206,029.90 is: 703,814,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,189,429.66 : 1,947,299,103.48 = 469,206,029.90 : x
  2. Step 2: Convert to fraction form
    1,298,189,429.66/1,947,299,103.48 = 469,206,029.90/x
  3. Step 3: Cross multiply
    1,298,189,429.66x = 1,947,299,103.48 × 469,206,029.90
  4. Step 4: Simplify right side
    1,298,189,429.66x = 913,684,481,371,680,000
  5. Step 5: Solve for x
    x = 913,684,481,371,680,000/1,298,189,429.66
  6. Step 6: Final answer
    x = 703,814,451.49

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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.