Home / 1,096,707,851.28-1,645,065,626.04-278,820,239.76

Finding the Fourth Proportional to 1,096,707,851.28, 1,645,065,626.04 and 278,820,239.76

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Solution

The fourth proportional to 1,096,707,851.28, 1,645,065,626.04 and 278,820,239.76 is: 418,231,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,707,851.28 : 1,645,065,626.04 = 278,820,239.76 : x
  2. Step 2: Convert to fraction form
    1,096,707,851.28/1,645,065,626.04 = 278,820,239.76/x
  3. Step 3: Cross multiply
    1,096,707,851.28x = 1,645,065,626.04 × 278,820,239.76
  4. Step 4: Simplify right side
    1,096,707,851.28x = 458,677,592,273,407,296
  5. Step 5: Solve for x
    x = 458,677,592,273,407,296/1,096,707,851.28
  6. Step 6: Final answer
    x = 418,231,338.22

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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.