Home / 1,207,224,019.20-1,810,836,028.80-1,161,307,516.80

Finding the Fourth Proportional to 1,207,224,019.20, 1,810,836,028.80 and 1,161,307,516.80

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Solution

The fourth proportional to 1,207,224,019.20, 1,810,836,028.80 and 1,161,307,516.80 is: 1,741,961,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,224,019.20 : 1,810,836,028.80 = 1,161,307,516.80 : x
  2. Step 2: Convert to fraction form
    1,207,224,019.20/1,810,836,028.80 = 1,161,307,516.80/x
  3. Step 3: Cross multiply
    1,207,224,019.20x = 1,810,836,028.80 × 1,161,307,516.80
  4. Step 4: Simplify right side
    1,207,224,019.20x = 2,102,937,491,937,701,120
  5. Step 5: Solve for x
    x = 2,102,937,491,937,701,120/1,207,224,019.20
  6. Step 6: Final answer
    x = 1,741,961,275.20

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Double scale
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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.