Home / 812,592,001.70-1,218,888,002.55-796,467,688.10

Finding the Fourth Proportional to 812,592,001.70, 1,218,888,002.55 and 796,467,688.10

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Solution

The fourth proportional to 812,592,001.70, 1,218,888,002.55 and 796,467,688.10 is: 1,194,701,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,592,001.70 : 1,218,888,002.55 = 796,467,688.10 : x
  2. Step 2: Convert to fraction form
    812,592,001.70/1,218,888,002.55 = 796,467,688.10/x
  3. Step 3: Cross multiply
    812,592,001.70x = 1,218,888,002.55 × 796,467,688.10
  4. Step 4: Simplify right side
    812,592,001.70x = 970,804,909,443,825,408
  5. Step 5: Solve for x
    x = 970,804,909,443,825,408/812,592,001.70
  6. Step 6: Final answer
    x = 1,194,701,532.15

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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.