Home / 378,575,998.80-567,863,998.20-313,952,773.20

Finding the Fourth Proportional to 378,575,998.80, 567,863,998.20 and 313,952,773.20

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Solution

The fourth proportional to 378,575,998.80, 567,863,998.20 and 313,952,773.20 is: 470,929,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,575,998.80 : 567,863,998.20 = 313,952,773.20 : x
  2. Step 2: Convert to fraction form
    378,575,998.80/567,863,998.20 = 313,952,773.20/x
  3. Step 3: Cross multiply
    378,575,998.80x = 567,863,998.20 × 313,952,773.20
  4. Step 4: Simplify right side
    378,575,998.80x = 178,282,477,035,329,824
  5. Step 5: Solve for x
    x = 178,282,477,035,329,824/378,575,998.80
  6. Step 6: Final answer
    x = 470,929,159.80

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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.