Home / 343,854,191.60-515,781,287.40-306,230,793.20

Finding the Fourth Proportional to 343,854,191.60, 515,781,287.40 and 306,230,793.20

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Solution

The fourth proportional to 343,854,191.60, 515,781,287.40 and 306,230,793.20 is: 459,346,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,854,191.60 : 515,781,287.40 = 306,230,793.20 : x
  2. Step 2: Convert to fraction form
    343,854,191.60/515,781,287.40 = 306,230,793.20/x
  3. Step 3: Cross multiply
    343,854,191.60x = 515,781,287.40 × 306,230,793.20
  4. Step 4: Simplify right side
    343,854,191.60x = 157,948,112,758,219,168
  5. Step 5: Solve for x
    x = 157,948,112,758,219,168/343,854,191.60
  6. Step 6: Final answer
    x = 459,346,189.80

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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.