Home / 1,356,444,472.80-2,034,666,709.20-667,696,936.80

Finding the Fourth Proportional to 1,356,444,472.80, 2,034,666,709.20 and 667,696,936.80

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Solution

The fourth proportional to 1,356,444,472.80, 2,034,666,709.20 and 667,696,936.80 is: 1,001,545,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,444,472.80 : 2,034,666,709.20 = 667,696,936.80 : x
  2. Step 2: Convert to fraction form
    1,356,444,472.80/2,034,666,709.20 = 667,696,936.80/x
  3. Step 3: Cross multiply
    1,356,444,472.80x = 2,034,666,709.20 × 667,696,936.80
  4. Step 4: Simplify right side
    1,356,444,472.80x = 1,358,540,729,141,776,384
  5. Step 5: Solve for x
    x = 1,358,540,729,141,776,384/1,356,444,472.80
  6. Step 6: Final answer
    x = 1,001,545,405.20

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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.