Home / 1,055,247,250.76-1,582,884,347.15-278,886,203.88

Finding the Fourth Proportional to 1,055,247,250.76, 1,582,884,347.15 and 278,886,203.88

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Solution

The fourth proportional to 1,055,247,250.76, 1,582,884,347.15 and 278,886,203.88 is: 418,332,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,247,250.76 : 1,582,884,347.15 = 278,886,203.88 : x
  2. Step 2: Convert to fraction form
    1,055,247,250.76/1,582,884,347.15 = 278,886,203.88/x
  3. Step 3: Cross multiply
    1,055,247,250.76x = 1,582,884,347.15 × 278,886,203.88
  4. Step 4: Simplify right side
    1,055,247,250.76x = 441,444,606,757,735,616
  5. Step 5: Solve for x
    x = 441,444,606,757,735,616/1,055,247,250.76
  6. Step 6: Final answer
    x = 418,332,866.01

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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.