Home / 1,380,429,764.73-2,070,935,496.47-447,679,882.17

Finding the Fourth Proportional to 1,380,429,764.73, 2,070,935,496.47 and 447,679,882.17

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Solution

The fourth proportional to 1,380,429,764.73, 2,070,935,496.47 and 447,679,882.17 is: 671,614,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,429,764.73 : 2,070,935,496.47 = 447,679,882.17 : x
  2. Step 2: Convert to fraction form
    1,380,429,764.73/2,070,935,496.47 = 447,679,882.17/x
  3. Step 3: Cross multiply
    1,380,429,764.73x = 2,070,935,496.47 × 447,679,882.17
  4. Step 4: Simplify right side
    1,380,429,764.73x = 927,116,159,028,766,976
  5. Step 5: Solve for x
    x = 927,116,159,028,766,976/1,380,429,764.73
  6. Step 6: Final answer
    x = 671,614,147.07

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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.