Home / 442,944,793.60-665,089,036.80-340,824,140.80

Finding the Fourth Proportional to 442,944,793.60, 665,089,036.80 and 340,824,140.80

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Solution

The fourth proportional to 442,944,793.60, 665,089,036.80 and 340,824,140.80 is: 511,753,163.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,944,793.60 : 665,089,036.80 = 340,824,140.80 : x
  2. Step 2: Convert to fraction form
    442,944,793.60/665,089,036.80 = 340,824,140.80/x
  3. Step 3: Cross multiply
    442,944,793.60x = 665,089,036.80 × 340,824,140.80
  4. Step 4: Simplify right side
    442,944,793.60x = 226,678,399,522,859,584
  5. Step 5: Solve for x
    x = 226,678,399,522,859,584/442,944,793.60
  6. Step 6: Final answer
    x = 511,753,163.82

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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.