Home / 1,055,247,249.57-1,582,884,345.36-278,886,202.70

Finding the Fourth Proportional to 1,055,247,249.57, 1,582,884,345.36 and 278,886,202.70

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Solution

The fourth proportional to 1,055,247,249.57, 1,582,884,345.36 and 278,886,202.70 is: 418,332,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,247,249.57 : 1,582,884,345.36 = 278,886,202.70 : x
  2. Step 2: Convert to fraction form
    1,055,247,249.57/1,582,884,345.36 = 278,886,202.70/x
  3. Step 3: Cross multiply
    1,055,247,249.57x = 1,582,884,345.36 × 278,886,202.70
  4. Step 4: Simplify right side
    1,055,247,249.57x = 441,444,604,382,811,328
  5. Step 5: Solve for x
    x = 441,444,604,382,811,328/1,055,247,249.57
  6. Step 6: Final answer
    x = 418,332,864.23

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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.