Home / 1,435,961,748.30-2,155,643,233.65-814,671,789.90

Finding the Fourth Proportional to 1,435,961,748.30, 2,155,643,233.65 and 814,671,789.90

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Solution

The fourth proportional to 1,435,961,748.30, 2,155,643,233.65 and 814,671,789.90 is: 1,222,972,501.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,961,748.30 : 2,155,643,233.65 = 814,671,789.90 : x
  2. Step 2: Convert to fraction form
    1,435,961,748.30/2,155,643,233.65 = 814,671,789.90/x
  3. Step 3: Cross multiply
    1,435,961,748.30x = 2,155,643,233.65 × 814,671,789.90
  4. Step 4: Simplify right side
    1,435,961,748.30x = 1,756,141,731,543,469,312
  5. Step 5: Solve for x
    x = 1,756,141,731,543,469,312/1,435,961,748.30
  6. Step 6: Final answer
    x = 1,222,972,501.62

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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.