Home / 12,265,655,489.70-18,398,483,234.55-5,281,812,161.70

Finding the Fourth Proportional to 12,265,655,489.70, 18,398,483,234.55 and 5,281,812,161.70

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Solution

The fourth proportional to 12,265,655,489.70, 18,398,483,234.55 and 5,281,812,161.70 is: 7,922,718,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265,655,489.70 : 18,398,483,234.55 = 5,281,812,161.70 : x
  2. Step 2: Convert to fraction form
    12,265,655,489.70/18,398,483,234.55 = 5,281,812,161.70/x
  3. Step 3: Cross multiply
    12,265,655,489.70x = 18,398,483,234.55 × 5,281,812,161.70
  4. Step 4: Simplify right side
    12,265,655,489.70x = 97,177,332,505,079,742,464
  5. Step 5: Solve for x
    x = 97,177,332,505,079,742,464/12,265,655,489.70
  6. Step 6: Final answer
    x = 7,922,718,242.55

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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.