Home / 480,723,007.20-721,084,510.80-173,904,403.20

Finding the Fourth Proportional to 480,723,007.20, 721,084,510.80 and 173,904,403.20

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Solution

The fourth proportional to 480,723,007.20, 721,084,510.80 and 173,904,403.20 is: 260,856,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,723,007.20 : 721,084,510.80 = 173,904,403.20 : x
  2. Step 2: Convert to fraction form
    480,723,007.20/721,084,510.80 = 173,904,403.20/x
  3. Step 3: Cross multiply
    480,723,007.20x = 721,084,510.80 × 173,904,403.20
  4. Step 4: Simplify right side
    480,723,007.20x = 125,399,771,507,437,936
  5. Step 5: Solve for x
    x = 125,399,771,507,437,936/480,723,007.20
  6. Step 6: Final answer
    x = 260,856,604.80

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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.