Home / 1,055,247,101.82-1,582,884,123.35-278,886,054.94

Finding the Fourth Proportional to 1,055,247,101.82, 1,582,884,123.35 and 278,886,054.94

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Solution

The fourth proportional to 1,055,247,101.82, 1,582,884,123.35 and 278,886,054.94 is: 418,332,642.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,247,101.82 : 1,582,884,123.35 = 278,886,054.94 : x
  2. Step 2: Convert to fraction form
    1,055,247,101.82/1,582,884,123.35 = 278,886,054.94/x
  3. Step 3: Cross multiply
    1,055,247,101.82x = 1,582,884,123.35 × 278,886,054.94
  4. Step 4: Simplify right side
    1,055,247,101.82x = 441,444,308,582,890,176
  5. Step 5: Solve for x
    x = 441,444,308,582,890,176/1,055,247,101.82
  6. Step 6: Final answer
    x = 418,332,642.49

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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.