Home / 2,834,441,787.20-3,911,642,921.76-1,581,488,148.80

Finding the Fourth Proportional to 2,834,441,787.20, 3,911,642,921.76 and 1,581,488,148.80

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Solution

The fourth proportional to 2,834,441,787.20, 3,911,642,921.76 and 1,581,488,148.80 is: 2,182,516,836.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834,441,787.20 : 3,911,642,921.76 = 1,581,488,148.80 : x
  2. Step 2: Convert to fraction form
    2,834,441,787.20/3,911,642,921.76 = 1,581,488,148.80/x
  3. Step 3: Cross multiply
    2,834,441,787.20x = 3,911,642,921.76 × 1,581,488,148.80
  4. Step 4: Simplify right side
    2,834,441,787.20x = 6,186,216,923,100,846,080
  5. Step 5: Solve for x
    x = 6,186,216,923,100,846,080/2,834,441,787.20
  6. Step 6: Final answer
    x = 2,182,516,836.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.