Home / 361,728,095.60-542,592,143.40-347,619,321.20

Finding the Fourth Proportional to 361,728,095.60, 542,592,143.40 and 347,619,321.20

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Solution

The fourth proportional to 361,728,095.60, 542,592,143.40 and 347,619,321.20 is: 521,428,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,728,095.60 : 542,592,143.40 = 347,619,321.20 : x
  2. Step 2: Convert to fraction form
    361,728,095.60/542,592,143.40 = 347,619,321.20/x
  3. Step 3: Cross multiply
    361,728,095.60x = 542,592,143.40 × 347,619,321.20
  4. Step 4: Simplify right side
    361,728,095.60x = 188,615,512,577,161,056
  5. Step 5: Solve for x
    x = 188,615,512,577,161,056/361,728,095.60
  6. Step 6: Final answer
    x = 521,428,981.80

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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.