Home / 664,308,002.90-996,462,004.35-354,371,611.70

Finding the Fourth Proportional to 664,308,002.90, 996,462,004.35 and 354,371,611.70

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Solution

The fourth proportional to 664,308,002.90, 996,462,004.35 and 354,371,611.70 is: 531,557,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,308,002.90 : 996,462,004.35 = 354,371,611.70 : x
  2. Step 2: Convert to fraction form
    664,308,002.90/996,462,004.35 = 354,371,611.70/x
  3. Step 3: Cross multiply
    664,308,002.90x = 996,462,004.35 × 354,371,611.70
  4. Step 4: Simplify right side
    664,308,002.90x = 353,117,846,479,321,920
  5. Step 5: Solve for x
    x = 353,117,846,479,321,920/664,308,002.90
  6. Step 6: Final answer
    x = 531,557,417.55

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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.