Home / 672,155,121.60-1,008,232,682.40-631,340,452.80

Finding the Fourth Proportional to 672,155,121.60, 1,008,232,682.40 and 631,340,452.80

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Solution

The fourth proportional to 672,155,121.60, 1,008,232,682.40 and 631,340,452.80 is: 947,010,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,155,121.60 : 1,008,232,682.40 = 631,340,452.80 : x
  2. Step 2: Convert to fraction form
    672,155,121.60/1,008,232,682.40 = 631,340,452.80/x
  3. Step 3: Cross multiply
    672,155,121.60x = 1,008,232,682.40 × 631,340,452.80
  4. Step 4: Simplify right side
    672,155,121.60x = 636,538,078,234,174,464
  5. Step 5: Solve for x
    x = 636,538,078,234,174,464/672,155,121.60
  6. Step 6: Final answer
    x = 947,010,679.20

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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.