Home / 636,196,310.74-877,958,988.46-350,120,774.50

Finding the Fourth Proportional to 636,196,310.74, 877,958,988.46 and 350,120,774.50

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Solution

The fourth proportional to 636,196,310.74, 877,958,988.46 and 350,120,774.50 is: 483,171,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,196,310.74 : 877,958,988.46 = 350,120,774.50 : x
  2. Step 2: Convert to fraction form
    636,196,310.74/877,958,988.46 = 350,120,774.50/x
  3. Step 3: Cross multiply
    636,196,310.74x = 877,958,988.46 × 350,120,774.50
  4. Step 4: Simplify right side
    636,196,310.74x = 307,391,681,015,781,568
  5. Step 5: Solve for x
    x = 307,391,681,015,781,568/636,196,310.74
  6. Step 6: Final answer
    x = 483,171,115.31

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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.