Home / 1,338,444,713.70-2,007,667,070.55-418,319,576.10

Finding the Fourth Proportional to 1,338,444,713.70, 2,007,667,070.55 and 418,319,576.10

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Solution

The fourth proportional to 1,338,444,713.70, 2,007,667,070.55 and 418,319,576.10 is: 627,479,364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,444,713.70 : 2,007,667,070.55 = 418,319,576.10 : x
  2. Step 2: Convert to fraction form
    1,338,444,713.70/2,007,667,070.55 = 418,319,576.10/x
  3. Step 3: Cross multiply
    1,338,444,713.70x = 2,007,667,070.55 × 418,319,576.10
  4. Step 4: Simplify right side
    1,338,444,713.70x = 839,846,437,902,404,864
  5. Step 5: Solve for x
    x = 839,846,437,902,404,864/1,338,444,713.70
  6. Step 6: Final answer
    x = 627,479,364.15

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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.