Home / 2,109,486,909.28-3,163,922,357.68-615,116,889.76

Finding the Fourth Proportional to 2,109,486,909.28, 3,163,922,357.68 and 615,116,889.76

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Solution

The fourth proportional to 2,109,486,909.28, 3,163,922,357.68 and 615,116,889.76 is: 922,585,521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,486,909.28 : 3,163,922,357.68 = 615,116,889.76 : x
  2. Step 2: Convert to fraction form
    2,109,486,909.28/3,163,922,357.68 = 615,116,889.76/x
  3. Step 3: Cross multiply
    2,109,486,909.28x = 3,163,922,357.68 × 615,116,889.76
  4. Step 4: Simplify right side
    2,109,486,909.28x = 1,946,182,080,098,247,680
  5. Step 5: Solve for x
    x = 1,946,182,080,098,247,680/2,109,486,909.28
  6. Step 6: Final answer
    x = 922,585,521.41

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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.