Home / 898,138,219.20-1,347,207,328.80-787,059,614.40

Finding the Fourth Proportional to 898,138,219.20, 1,347,207,328.80 and 787,059,614.40

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Solution

The fourth proportional to 898,138,219.20, 1,347,207,328.80 and 787,059,614.40 is: 1,180,589,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,138,219.20 : 1,347,207,328.80 = 787,059,614.40 : x
  2. Step 2: Convert to fraction form
    898,138,219.20/1,347,207,328.80 = 787,059,614.40/x
  3. Step 3: Cross multiply
    898,138,219.20x = 1,347,207,328.80 × 787,059,614.40
  4. Step 4: Simplify right side
    898,138,219.20x = 1,060,332,480,722,181,888
  5. Step 5: Solve for x
    x = 1,060,332,480,722,181,888/898,138,219.20
  6. Step 6: Final answer
    x = 1,180,589,421.60

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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.