Home / 448,405,215.30-672,040,952.55-399,654,360.90

Finding the Fourth Proportional to 448,405,215.30, 672,040,952.55 and 399,654,360.90

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Solution

The fourth proportional to 448,405,215.30, 672,040,952.55 and 399,654,360.90 is: 598,976,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,405,215.30 : 672,040,952.55 = 399,654,360.90 : x
  2. Step 2: Convert to fraction form
    448,405,215.30/672,040,952.55 = 399,654,360.90/x
  3. Step 3: Cross multiply
    448,405,215.30x = 672,040,952.55 × 399,654,360.90
  4. Step 4: Simplify right side
    448,405,215.30x = 268,584,097,389,997,440
  5. Step 5: Solve for x
    x = 268,584,097,389,997,440/448,405,215.30
  6. Step 6: Final answer
    x = 598,976,301.40

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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.