Home / 513,039,617.40-707,975,704.62-278,085,233.46

Finding the Fourth Proportional to 513,039,617.40, 707,975,704.62 and 278,085,233.46

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Solution

The fourth proportional to 513,039,617.40, 707,975,704.62 and 278,085,233.46 is: 383,747,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,039,617.40 : 707,975,704.62 = 278,085,233.46 : x
  2. Step 2: Convert to fraction form
    513,039,617.40/707,975,704.62 = 278,085,233.46/x
  3. Step 3: Cross multiply
    513,039,617.40x = 707,975,704.62 × 278,085,233.46
  4. Step 4: Simplify right side
    513,039,617.40x = 196,877,589,103,260,672
  5. Step 5: Solve for x
    x = 196,877,589,103,260,672/513,039,617.40
  6. Step 6: Final answer
    x = 383,747,341.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.