Home / 258,723,131,420.60-388,084,697,130.90-258,723,131,420.60

Finding the Fourth Proportional to 258,723,131,420.60, 388,084,697,130.90 and 258,723,131,420.60

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Solution

The fourth proportional to 258,723,131,420.60, 388,084,697,130.90 and 258,723,131,420.60 is: 388,084,697,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,723,131,420.60 : 388,084,697,130.90 = 258,723,131,420.60 : x
  2. Step 2: Convert to fraction form
    258,723,131,420.60/388,084,697,130.90 = 258,723,131,420.60/x
  3. Step 3: Cross multiply
    258,723,131,420.60x = 388,084,697,130.90 × 258,723,131,420.60
  4. Step 4: Simplify right side
    258,723,131,420.60x = 100,406,488,098,121,589,981,184
  5. Step 5: Solve for x
    x = 100,406,488,098,121,589,981,184/258,723,131,420.60
  6. Step 6: Final answer
    x = 388,084,697,130.90

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1.5x scale

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.