Home / 664,006,585.20-996,009,877.80-654,936,658.80

Finding the Fourth Proportional to 664,006,585.20, 996,009,877.80 and 654,936,658.80

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Solution

The fourth proportional to 664,006,585.20, 996,009,877.80 and 654,936,658.80 is: 982,404,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,006,585.20 : 996,009,877.80 = 654,936,658.80 : x
  2. Step 2: Convert to fraction form
    664,006,585.20/996,009,877.80 = 654,936,658.80/x
  3. Step 3: Cross multiply
    664,006,585.20x = 996,009,877.80 × 654,936,658.80
  4. Step 4: Simplify right side
    664,006,585.20x = 652,323,381,498,128,256
  5. Step 5: Solve for x
    x = 652,323,381,498,128,256/664,006,585.20
  6. Step 6: Final answer
    x = 982,404,988.20

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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.