Home / 664,266,575.80-996,399,863.70-434,943,004.60

Finding the Fourth Proportional to 664,266,575.80, 996,399,863.70 and 434,943,004.60

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Solution

The fourth proportional to 664,266,575.80, 996,399,863.70 and 434,943,004.60 is: 652,414,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,266,575.80 : 996,399,863.70 = 434,943,004.60 : x
  2. Step 2: Convert to fraction form
    664,266,575.80/996,399,863.70 = 434,943,004.60/x
  3. Step 3: Cross multiply
    664,266,575.80x = 996,399,863.70 × 434,943,004.60
  4. Step 4: Simplify right side
    664,266,575.80x = 433,377,150,500,708,544
  5. Step 5: Solve for x
    x = 433,377,150,500,708,544/664,266,575.80
  6. Step 6: Final answer
    x = 652,414,506.90

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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.