Home / 664,001,020.80-996,001,531.20-465,986,104.20

Finding the Fourth Proportional to 664,001,020.80, 996,001,531.20 and 465,986,104.20

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Solution

The fourth proportional to 664,001,020.80, 996,001,531.20 and 465,986,104.20 is: 698,979,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,001,020.80 : 996,001,531.20 = 465,986,104.20 : x
  2. Step 2: Convert to fraction form
    664,001,020.80/996,001,531.20 = 465,986,104.20/x
  3. Step 3: Cross multiply
    664,001,020.80x = 996,001,531.20 × 465,986,104.20
  4. Step 4: Simplify right side
    664,001,020.80x = 464,122,873,301,122,752
  5. Step 5: Solve for x
    x = 464,122,873,301,122,752/664,001,020.80
  6. Step 6: Final answer
    x = 698,979,156.30

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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.