Home / 439,359,486.53-659,039,262.59-342,387,775.31

Finding the Fourth Proportional to 439,359,486.53, 659,039,262.59 and 342,387,775.31

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Solution

The fourth proportional to 439,359,486.53, 659,039,262.59 and 342,387,775.31 is: 513,581,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,359,486.53 : 659,039,262.59 = 342,387,775.31 : x
  2. Step 2: Convert to fraction form
    439,359,486.53/659,039,262.59 = 342,387,775.31/x
  3. Step 3: Cross multiply
    439,359,486.53x = 659,039,262.59 × 342,387,775.31
  4. Step 4: Simplify right side
    439,359,486.53x = 225,646,986,957,693,792
  5. Step 5: Solve for x
    x = 225,646,986,957,693,792/439,359,486.53
  6. Step 6: Final answer
    x = 513,581,688.52

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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.