Home / 1,764,587,641.84-2,646,884,780.52-728,311,847.92

Finding the Fourth Proportional to 1,764,587,641.84, 2,646,884,780.52 and 728,311,847.92

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Solution

The fourth proportional to 1,764,587,641.84, 2,646,884,780.52 and 728,311,847.92 is: 1,092,469,141.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,587,641.84 : 2,646,884,780.52 = 728,311,847.92 : x
  2. Step 2: Convert to fraction form
    1,764,587,641.84/2,646,884,780.52 = 728,311,847.92/x
  3. Step 3: Cross multiply
    1,764,587,641.84x = 2,646,884,780.52 × 728,311,847.92
  4. Step 4: Simplify right side
    1,764,587,641.84x = 1,927,757,545,731,844,608
  5. Step 5: Solve for x
    x = 1,927,757,545,731,844,608/1,764,587,641.84
  6. Step 6: Final answer
    x = 1,092,469,141.24

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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.