Home / 279,594,896.66-419,392,332.84-265,614,054.50

Finding the Fourth Proportional to 279,594,896.66, 419,392,332.84 and 265,614,054.50

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Solution

The fourth proportional to 279,594,896.66, 419,392,332.84 and 265,614,054.50 is: 398,421,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,594,896.66 : 419,392,332.84 = 265,614,054.50 : x
  2. Step 2: Convert to fraction form
    279,594,896.66/419,392,332.84 = 265,614,054.50/x
  3. Step 3: Cross multiply
    279,594,896.66x = 419,392,332.84 × 265,614,054.50
  4. Step 4: Simplify right side
    279,594,896.66x = 111,396,497,951,845,888
  5. Step 5: Solve for x
    x = 111,396,497,951,845,888/279,594,896.66
  6. Step 6: Final answer
    x = 398,421,070.21

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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.