Home / 1,073,088,045.20-1,609,632,067.80-920,033,037.20

Finding the Fourth Proportional to 1,073,088,045.20, 1,609,632,067.80 and 920,033,037.20

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Solution

The fourth proportional to 1,073,088,045.20, 1,609,632,067.80 and 920,033,037.20 is: 1,380,049,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,088,045.20 : 1,609,632,067.80 = 920,033,037.20 : x
  2. Step 2: Convert to fraction form
    1,073,088,045.20/1,609,632,067.80 = 920,033,037.20/x
  3. Step 3: Cross multiply
    1,073,088,045.20x = 1,609,632,067.80 × 920,033,037.20
  4. Step 4: Simplify right side
    1,073,088,045.20x = 1,480,914,680,112,550,400
  5. Step 5: Solve for x
    x = 1,480,914,680,112,550,400/1,073,088,045.20
  6. Step 6: Final answer
    x = 1,380,049,555.80

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Double scale
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Similar ratio
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1.5x scale

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.