Home / 480,653,999.10-720,980,998.65-448,405,371.90

Finding the Fourth Proportional to 480,653,999.10, 720,980,998.65 and 448,405,371.90

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Solution

The fourth proportional to 480,653,999.10, 720,980,998.65 and 448,405,371.90 is: 672,608,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,653,999.10 : 720,980,998.65 = 448,405,371.90 : x
  2. Step 2: Convert to fraction form
    480,653,999.10/720,980,998.65 = 448,405,371.90/x
  3. Step 3: Cross multiply
    480,653,999.10x = 720,980,998.65 × 448,405,371.90
  4. Step 4: Simplify right side
    480,653,999.10x = 323,291,752,832,486,592
  5. Step 5: Solve for x
    x = 323,291,752,832,486,592/480,653,999.10
  6. Step 6: Final answer
    x = 672,608,057.85

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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.