Home / 830,394,923.20-1,244,742,079.20-485,170,849.60

Finding the Fourth Proportional to 830,394,923.20, 1,244,742,079.20 and 485,170,849.60

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Solution

The fourth proportional to 830,394,923.20, 1,244,742,079.20 and 485,170,849.60 is: 727,259,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,394,923.20 : 1,244,742,079.20 = 485,170,849.60 : x
  2. Step 2: Convert to fraction form
    830,394,923.20/1,244,742,079.20 = 485,170,849.60/x
  3. Step 3: Cross multiply
    830,394,923.20x = 1,244,742,079.20 × 485,170,849.60
  4. Step 4: Simplify right side
    830,394,923.20x = 603,912,572,098,334,592
  5. Step 5: Solve for x
    x = 603,912,572,098,334,592/830,394,923.20
  6. Step 6: Final answer
    x = 727,259,470.43

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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.