Home / 558,645,736.44-770,955,010.38-311,127,051

Finding the Fourth Proportional to 558,645,736.44, 770,955,010.38 and 311,127,051

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Solution

The fourth proportional to 558,645,736.44, 770,955,010.38 and 311,127,051 is: 429,368,637.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,645,736.44 : 770,955,010.38 = 311,127,051 : x
  2. Step 2: Convert to fraction form
    558,645,736.44/770,955,010.38 = 311,127,051/x
  3. Step 3: Cross multiply
    558,645,736.44x = 770,955,010.38 × 311,127,051
  4. Step 4: Simplify right side
    558,645,736.44x = 239,864,958,833,203,776
  5. Step 5: Solve for x
    x = 239,864,958,833,203,776/558,645,736.44
  6. Step 6: Final answer
    x = 429,368,637.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.