Home / 749,138,773.60-1,122,952,333.20-340,488,200.80

Finding the Fourth Proportional to 749,138,773.60, 1,122,952,333.20 and 340,488,200.80

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Solution

The fourth proportional to 749,138,773.60, 1,122,952,333.20 and 340,488,200.80 is: 510,388,773.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,138,773.60 : 1,122,952,333.20 = 340,488,200.80 : x
  2. Step 2: Convert to fraction form
    749,138,773.60/1,122,952,333.20 = 340,488,200.80/x
  3. Step 3: Cross multiply
    749,138,773.60x = 1,122,952,333.20 × 340,488,200.80
  4. Step 4: Simplify right side
    749,138,773.60x = 382,352,019,515,430,144
  5. Step 5: Solve for x
    x = 382,352,019,515,430,144/749,138,773.60
  6. Step 6: Final answer
    x = 510,388,773.07

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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.