Home / 1,055,247,099.57-1,582,884,119.96-278,886,052.69

Finding the Fourth Proportional to 1,055,247,099.57, 1,582,884,119.96 and 278,886,052.69

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Solution

The fourth proportional to 1,055,247,099.57, 1,582,884,119.96 and 278,886,052.69 is: 418,332,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,247,099.57 : 1,582,884,119.96 = 278,886,052.69 : x
  2. Step 2: Convert to fraction form
    1,055,247,099.57/1,582,884,119.96 = 278,886,052.69/x
  3. Step 3: Cross multiply
    1,055,247,099.57x = 1,582,884,119.96 × 278,886,052.69
  4. Step 4: Simplify right side
    1,055,247,099.57x = 441,444,304,077,036,992
  5. Step 5: Solve for x
    x = 441,444,304,077,036,992/1,055,247,099.57
  6. Step 6: Final answer
    x = 418,332,639.11

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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.