Home / 392,012,157.60-587,973,445.92-104,820,216.48

Finding the Fourth Proportional to 392,012,157.60, 587,973,445.92 and 104,820,216.48

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Solution

The fourth proportional to 392,012,157.60, 587,973,445.92 and 104,820,216.48 is: 157,218,348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,012,157.60 : 587,973,445.92 = 104,820,216.48 : x
  2. Step 2: Convert to fraction form
    392,012,157.60/587,973,445.92 = 104,820,216.48/x
  3. Step 3: Cross multiply
    392,012,157.60x = 587,973,445.92 × 104,820,216.48
  4. Step 4: Simplify right side
    392,012,157.60x = 61,631,503,885,825,968
  5. Step 5: Solve for x
    x = 61,631,503,885,825,968/392,012,157.60
  6. Step 6: Final answer
    x = 157,218,348.18

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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.