Home / 1,298,189,390.22-1,947,299,044.40-469,205,990.46

Finding the Fourth Proportional to 1,298,189,390.22, 1,947,299,044.40 and 469,205,990.46

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Solution

The fourth proportional to 1,298,189,390.22, 1,947,299,044.40 and 469,205,990.46 is: 703,814,392.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,189,390.22 : 1,947,299,044.40 = 469,205,990.46 : x
  2. Step 2: Convert to fraction form
    1,298,189,390.22/1,947,299,044.40 = 469,205,990.46/x
  3. Step 3: Cross multiply
    1,298,189,390.22x = 1,947,299,044.40 × 469,205,990.46
  4. Step 4: Simplify right side
    1,298,189,390.22x = 913,684,376,849,513,472
  5. Step 5: Solve for x
    x = 913,684,376,849,513,472/1,298,189,390.22
  6. Step 6: Final answer
    x = 703,814,392.36

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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.