Home / 1,370,336,359.98-1,891,015,246.50-775,608,074.88

Finding the Fourth Proportional to 1,370,336,359.98, 1,891,015,246.50 and 775,608,074.88

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Solution

The fourth proportional to 1,370,336,359.98, 1,891,015,246.50 and 775,608,074.88 is: 1,070,311,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,336,359.98 : 1,891,015,246.50 = 775,608,074.88 : x
  2. Step 2: Convert to fraction form
    1,370,336,359.98/1,891,015,246.50 = 775,608,074.88/x
  3. Step 3: Cross multiply
    1,370,336,359.98x = 1,891,015,246.50 × 775,608,074.88
  4. Step 4: Simplify right side
    1,370,336,359.98x = 1,466,686,694,906,593,536
  5. Step 5: Solve for x
    x = 1,466,686,694,906,593,536/1,370,336,359.98
  6. Step 6: Final answer
    x = 1,070,311,448.88

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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.