Home / 1,073,088,008.70-1,609,632,013.05-800,990,216.70

Finding the Fourth Proportional to 1,073,088,008.70, 1,609,632,013.05 and 800,990,216.70

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Solution

The fourth proportional to 1,073,088,008.70, 1,609,632,013.05 and 800,990,216.70 is: 1,201,485,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,088,008.70 : 1,609,632,013.05 = 800,990,216.70 : x
  2. Step 2: Convert to fraction form
    1,073,088,008.70/1,609,632,013.05 = 800,990,216.70/x
  3. Step 3: Cross multiply
    1,073,088,008.70x = 1,609,632,013.05 × 800,990,216.70
  4. Step 4: Simplify right side
    1,073,088,008.70x = 1,289,299,494,940,176,640
  5. Step 5: Solve for x
    x = 1,289,299,494,940,176,640/1,073,088,008.70
  6. Step 6: Final answer
    x = 1,201,485,325.05

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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.