Home / 418,620,427.26-627,882,727.56-111,936,454.98

Finding the Fourth Proportional to 418,620,427.26, 627,882,727.56 and 111,936,454.98

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Solution

The fourth proportional to 418,620,427.26, 627,882,727.56 and 111,936,454.98 is: 167,891,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,620,427.26 : 627,882,727.56 = 111,936,454.98 : x
  2. Step 2: Convert to fraction form
    418,620,427.26/627,882,727.56 = 111,936,454.98/x
  3. Step 3: Cross multiply
    418,620,427.26x = 627,882,727.56 × 111,936,454.98
  4. Step 4: Simplify right side
    418,620,427.26x = 70,282,966,666,239,544
  5. Step 5: Solve for x
    x = 70,282,966,666,239,544/418,620,427.26
  6. Step 6: Final answer
    x = 167,891,870.75

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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.