Home / 898,344,080.40-1,347,516,120.60-217,539,728.40

Finding the Fourth Proportional to 898,344,080.40, 1,347,516,120.60 and 217,539,728.40

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Solution

The fourth proportional to 898,344,080.40, 1,347,516,120.60 and 217,539,728.40 is: 326,309,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,344,080.40 : 1,347,516,120.60 = 217,539,728.40 : x
  2. Step 2: Convert to fraction form
    898,344,080.40/1,347,516,120.60 = 217,539,728.40/x
  3. Step 3: Cross multiply
    898,344,080.40x = 1,347,516,120.60 × 217,539,728.40
  4. Step 4: Simplify right side
    898,344,080.40x = 293,138,290,889,945,664
  5. Step 5: Solve for x
    x = 293,138,290,889,945,664/898,344,080.40
  6. Step 6: Final answer
    x = 326,309,592.60

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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.