Home / 1,067,746,331.20-1,601,619,496.80-859,921,844.80

Finding the Fourth Proportional to 1,067,746,331.20, 1,601,619,496.80 and 859,921,844.80

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Solution

The fourth proportional to 1,067,746,331.20, 1,601,619,496.80 and 859,921,844.80 is: 1,289,882,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,746,331.20 : 1,601,619,496.80 = 859,921,844.80 : x
  2. Step 2: Convert to fraction form
    1,067,746,331.20/1,601,619,496.80 = 859,921,844.80/x
  3. Step 3: Cross multiply
    1,067,746,331.20x = 1,601,619,496.80 × 859,921,844.80
  4. Step 4: Simplify right side
    1,067,746,331.20x = 1,377,267,592,355,903,488
  5. Step 5: Solve for x
    x = 1,377,267,592,355,903,488/1,067,746,331.20
  6. Step 6: Final answer
    x = 1,289,882,767.20

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Half scale
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Double scale
Find fourth proportional to 1,067,746,332.20, 1,601,619,498.30 and 859,921,845.80
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.