Home / 396,563,085,909.68-547,258,911,806.15-225,294,415,374.18

Finding the Fourth Proportional to 396,563,085,909.68, 547,258,911,806.15 and 225,294,415,374.18

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Solution

The fourth proportional to 396,563,085,909.68, 547,258,911,806.15 and 225,294,415,374.18 is: 310,907,346,080.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,563,085,909.68 : 547,258,911,806.15 = 225,294,415,374.18 : x
  2. Step 2: Convert to fraction form
    396,563,085,909.68/547,258,911,806.15 = 225,294,415,374.18/x
  3. Step 3: Cross multiply
    396,563,085,909.68x = 547,258,911,806.15 × 225,294,415,374.18
  4. Step 4: Simplify right side
    396,563,085,909.68x = 123,294,376,593,676,497,321,984
  5. Step 5: Solve for x
    x = 123,294,376,593,676,497,321,984/396,563,085,909.68
  6. Step 6: Final answer
    x = 310,907,346,080.51

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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.