Home / 485,011,928.48-727,507,447.24-135,248,677.52

Finding the Fourth Proportional to 485,011,928.48, 727,507,447.24 and 135,248,677.52

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Solution

The fourth proportional to 485,011,928.48, 727,507,447.24 and 135,248,677.52 is: 202,870,103.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,011,928.48 : 727,507,447.24 = 135,248,677.52 : x
  2. Step 2: Convert to fraction form
    485,011,928.48/727,507,447.24 = 135,248,677.52/x
  3. Step 3: Cross multiply
    485,011,928.48x = 727,507,447.24 × 135,248,677.52
  4. Step 4: Simplify right side
    485,011,928.48x = 98,394,420,125,161,184
  5. Step 5: Solve for x
    x = 98,394,420,125,161,184/485,011,928.48
  6. Step 6: Final answer
    x = 202,870,103.49

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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.