Home / 655,103,332.80-982,654,999.20-310,729,564.80

Finding the Fourth Proportional to 655,103,332.80, 982,654,999.20 and 310,729,564.80

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Solution

The fourth proportional to 655,103,332.80, 982,654,999.20 and 310,729,564.80 is: 466,094,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,103,332.80 : 982,654,999.20 = 310,729,564.80 : x
  2. Step 2: Convert to fraction form
    655,103,332.80/982,654,999.20 = 310,729,564.80/x
  3. Step 3: Cross multiply
    655,103,332.80x = 982,654,999.20 × 310,729,564.80
  4. Step 4: Simplify right side
    655,103,332.80x = 305,339,960,249,960,384
  5. Step 5: Solve for x
    x = 305,339,960,249,960,384/655,103,332.80
  6. Step 6: Final answer
    x = 466,094,347.20

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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.