Home / 764,004,049.80-1,146,006,074.70-272,952,565.80

Finding the Fourth Proportional to 764,004,049.80, 1,146,006,074.70 and 272,952,565.80

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Solution

The fourth proportional to 764,004,049.80, 1,146,006,074.70 and 272,952,565.80 is: 409,428,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,004,049.80 : 1,146,006,074.70 = 272,952,565.80 : x
  2. Step 2: Convert to fraction form
    764,004,049.80/1,146,006,074.70 = 272,952,565.80/x
  3. Step 3: Cross multiply
    764,004,049.80x = 1,146,006,074.70 × 272,952,565.80
  4. Step 4: Simplify right side
    764,004,049.80x = 312,805,298,511,751,488
  5. Step 5: Solve for x
    x = 312,805,298,511,751,488/764,004,049.80
  6. Step 6: Final answer
    x = 409,428,848.70

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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.