Home / 418,078,316.88-627,076,952.94-126,947,998.82

Finding the Fourth Proportional to 418,078,316.88, 627,076,952.94 and 126,947,998.82

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Solution

The fourth proportional to 418,078,316.88, 627,076,952.94 and 126,947,998.82 is: 190,409,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,078,316.88 : 627,076,952.94 = 126,947,998.82 : x
  2. Step 2: Convert to fraction form
    418,078,316.88/627,076,952.94 = 126,947,998.82/x
  3. Step 3: Cross multiply
    418,078,316.88x = 627,076,952.94 × 126,947,998.82
  4. Step 4: Simplify right side
    418,078,316.88x = 79,606,164,281,876,320
  5. Step 5: Solve for x
    x = 79,606,164,281,876,320/418,078,316.88
  6. Step 6: Final answer
    x = 190,409,693.75

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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.