Home / 664,309,531.80-996,459,048.90-173,021,851.80

Finding the Fourth Proportional to 664,309,531.80, 996,459,048.90 and 173,021,851.80

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Solution

The fourth proportional to 664,309,531.80, 996,459,048.90 and 173,021,851.80 is: 259,531,410.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,309,531.80 : 996,459,048.90 = 173,021,851.80 : x
  2. Step 2: Convert to fraction form
    664,309,531.80/996,459,048.90 = 173,021,851.80/x
  3. Step 3: Cross multiply
    664,309,531.80x = 996,459,048.90 × 173,021,851.80
  4. Step 4: Simplify right side
    664,309,531.80x = 172,409,189,883,544,768
  5. Step 5: Solve for x
    x = 172,409,189,883,544,768/664,309,531.80
  6. Step 6: Final answer
    x = 259,531,410.63

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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.