Home / 392,073,246.40-588,109,869.60-162,490,734.40

Finding the Fourth Proportional to 392,073,246.40, 588,109,869.60 and 162,490,734.40

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Solution

The fourth proportional to 392,073,246.40, 588,109,869.60 and 162,490,734.40 is: 243,736,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,073,246.40 : 588,109,869.60 = 162,490,734.40 : x
  2. Step 2: Convert to fraction form
    392,073,246.40/588,109,869.60 = 162,490,734.40/x
  3. Step 3: Cross multiply
    392,073,246.40x = 588,109,869.60 × 162,490,734.40
  4. Step 4: Simplify right side
    392,073,246.40x = 95,562,404,619,192,240
  5. Step 5: Solve for x
    x = 95,562,404,619,192,240/392,073,246.40
  6. Step 6: Final answer
    x = 243,736,101.60

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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.