Home / 485,011,921.97-727,507,437.50-135,248,671.01

Finding the Fourth Proportional to 485,011,921.97, 727,507,437.50 and 135,248,671.01

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Solution

The fourth proportional to 485,011,921.97, 727,507,437.50 and 135,248,671.01 is: 202,870,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,011,921.97 : 727,507,437.50 = 135,248,671.01 : x
  2. Step 2: Convert to fraction form
    485,011,921.97/727,507,437.50 = 135,248,671.01/x
  3. Step 3: Cross multiply
    485,011,921.97x = 727,507,437.50 × 135,248,671.01
  4. Step 4: Simplify right side
    485,011,921.97x = 98,394,414,073,922,528
  5. Step 5: Solve for x
    x = 98,394,414,073,922,528/485,011,921.97
  6. Step 6: Final answer
    x = 202,870,093.74

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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.