Home / 539,602,415.97-809,480,834.49-166,141,900.85

Finding the Fourth Proportional to 539,602,415.97, 809,480,834.49 and 166,141,900.85

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Solution

The fourth proportional to 539,602,415.97, 809,480,834.49 and 166,141,900.85 is: 249,236,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,602,415.97 : 809,480,834.49 = 166,141,900.85 : x
  2. Step 2: Convert to fraction form
    539,602,415.97/809,480,834.49 = 166,141,900.85/x
  3. Step 3: Cross multiply
    539,602,415.97x = 809,480,834.49 × 166,141,900.85
  4. Step 4: Simplify right side
    539,602,415.97x = 134,488,684,540,390,128
  5. Step 5: Solve for x
    x = 134,488,684,540,390,128/539,602,415.97
  6. Step 6: Final answer
    x = 249,236,624.15

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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.