Home / 1,074,587,917.70-1,609,194,490.95-859,597,069.70

Finding the Fourth Proportional to 1,074,587,917.70, 1,609,194,490.95 and 859,597,069.70

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Solution

The fourth proportional to 1,074,587,917.70, 1,609,194,490.95 and 859,597,069.70 is: 1,287,245,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,587,917.70 : 1,609,194,490.95 = 859,597,069.70 : x
  2. Step 2: Convert to fraction form
    1,074,587,917.70/1,609,194,490.95 = 859,597,069.70/x
  3. Step 3: Cross multiply
    1,074,587,917.70x = 1,609,194,490.95 × 859,597,069.70
  4. Step 4: Simplify right side
    1,074,587,917.70x = 1,383,258,868,998,003,200
  5. Step 5: Solve for x
    x = 1,383,258,868,998,003,200/1,074,587,917.70
  6. Step 6: Final answer
    x = 1,287,245,879.29

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Double scale
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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.