Home / 325,681,702.40-488,522,553.60-291,244,325.60

Finding the Fourth Proportional to 325,681,702.40, 488,522,553.60 and 291,244,325.60

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Solution

The fourth proportional to 325,681,702.40, 488,522,553.60 and 291,244,325.60 is: 436,866,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,681,702.40 : 488,522,553.60 = 291,244,325.60 : x
  2. Step 2: Convert to fraction form
    325,681,702.40/488,522,553.60 = 291,244,325.60/x
  3. Step 3: Cross multiply
    325,681,702.40x = 488,522,553.60 × 291,244,325.60
  4. Step 4: Simplify right side
    325,681,702.40x = 142,279,421,663,621,872
  5. Step 5: Solve for x
    x = 142,279,421,663,621,872/325,681,702.40
  6. Step 6: Final answer
    x = 436,866,488.40

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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.