Home / 480,654,003.60-720,981,005.40-448,405,376.40

Finding the Fourth Proportional to 480,654,003.60, 720,981,005.40 and 448,405,376.40

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Solution

The fourth proportional to 480,654,003.60, 720,981,005.40 and 448,405,376.40 is: 672,608,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,654,003.60 : 720,981,005.40 = 448,405,376.40 : x
  2. Step 2: Convert to fraction form
    480,654,003.60/720,981,005.40 = 448,405,376.40/x
  3. Step 3: Cross multiply
    480,654,003.60x = 720,981,005.40 × 448,405,376.40
  4. Step 4: Simplify right side
    480,654,003.60x = 323,291,759,103,637,376
  5. Step 5: Solve for x
    x = 323,291,759,103,637,376/480,654,003.60
  6. Step 6: Final answer
    x = 672,608,064.60

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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.