Home / 399,111,805.60-599,003,631.60-194,814,512.80

Finding the Fourth Proportional to 399,111,805.60, 599,003,631.60 and 194,814,512.80

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Solution

The fourth proportional to 399,111,805.60, 599,003,631.60 and 194,814,512.80 is: 292,385,740.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,111,805.60 : 599,003,631.60 = 194,814,512.80 : x
  2. Step 2: Convert to fraction form
    399,111,805.60/599,003,631.60 = 194,814,512.80/x
  3. Step 3: Cross multiply
    399,111,805.60x = 599,003,631.60 × 194,814,512.80
  4. Step 4: Simplify right side
    399,111,805.60x = 116,694,600,655,584,704
  5. Step 5: Solve for x
    x = 116,694,600,655,584,704/399,111,805.60
  6. Step 6: Final answer
    x = 292,385,740.08

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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.