Home / 325,681,703.40-488,522,555.10-291,244,326.60

Finding the Fourth Proportional to 325,681,703.40, 488,522,555.10 and 291,244,326.60

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Solution

The fourth proportional to 325,681,703.40, 488,522,555.10 and 291,244,326.60 is: 436,866,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,681,703.40 : 488,522,555.10 = 291,244,326.60 : x
  2. Step 2: Convert to fraction form
    325,681,703.40/488,522,555.10 = 291,244,326.60/x
  3. Step 3: Cross multiply
    325,681,703.40x = 488,522,555.10 × 291,244,326.60
  4. Step 4: Simplify right side
    325,681,703.40x = 142,279,422,589,010,912
  5. Step 5: Solve for x
    x = 142,279,422,589,010,912/325,681,703.40
  6. Step 6: Final answer
    x = 436,866,489.90

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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.