Home / 822,388,615.70-1,233,582,923.55-786,108,910.10

Finding the Fourth Proportional to 822,388,615.70, 1,233,582,923.55 and 786,108,910.10

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Solution

The fourth proportional to 822,388,615.70, 1,233,582,923.55 and 786,108,910.10 is: 1,179,163,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,388,615.70 : 1,233,582,923.55 = 786,108,910.10 : x
  2. Step 2: Convert to fraction form
    822,388,615.70/1,233,582,923.55 = 786,108,910.10/x
  3. Step 3: Cross multiply
    822,388,615.70x = 1,233,582,923.55 × 786,108,910.10
  4. Step 4: Simplify right side
    822,388,615.70x = 969,730,527,549,862,144
  5. Step 5: Solve for x
    x = 969,730,527,549,862,144/822,388,615.70
  6. Step 6: Final answer
    x = 1,179,163,365.15

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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.