Home / 448,495,417.20-672,743,125.80-327,563,065.20

Finding the Fourth Proportional to 448,495,417.20, 672,743,125.80 and 327,563,065.20

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Solution

The fourth proportional to 448,495,417.20, 672,743,125.80 and 327,563,065.20 is: 491,344,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,495,417.20 : 672,743,125.80 = 327,563,065.20 : x
  2. Step 2: Convert to fraction form
    448,495,417.20/672,743,125.80 = 327,563,065.20/x
  3. Step 3: Cross multiply
    448,495,417.20x = 672,743,125.80 × 327,563,065.20
  4. Step 4: Simplify right side
    448,495,417.20x = 220,365,800,379,277,184
  5. Step 5: Solve for x
    x = 220,365,800,379,277,184/448,495,417.20
  6. Step 6: Final answer
    x = 491,344,597.80

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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.