Home / 280,674,776.44-418,956,392.45-247,541,201.56

Finding the Fourth Proportional to 280,674,776.44, 418,956,392.45 and 247,541,201.56

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Solution

The fourth proportional to 280,674,776.44, 418,956,392.45 and 247,541,201.56 is: 369,498,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,674,776.44 : 418,956,392.45 = 247,541,201.56 : x
  2. Step 2: Convert to fraction form
    280,674,776.44/418,956,392.45 = 247,541,201.56/x
  3. Step 3: Cross multiply
    280,674,776.44x = 418,956,392.45 × 247,541,201.56
  4. Step 4: Simplify right side
    280,674,776.44x = 103,708,968,788,315,904
  5. Step 5: Solve for x
    x = 103,708,968,788,315,904/280,674,776.44
  6. Step 6: Final answer
    x = 369,498,713.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.