Home / 513,039,614.53-707,975,700.59-278,085,230.47

Finding the Fourth Proportional to 513,039,614.53, 707,975,700.59 and 278,085,230.47

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Solution

The fourth proportional to 513,039,614.53, 707,975,700.59 and 278,085,230.47 is: 383,747,337.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,039,614.53 : 707,975,700.59 = 278,085,230.47 : x
  2. Step 2: Convert to fraction form
    513,039,614.53/707,975,700.59 = 278,085,230.47/x
  3. Step 3: Cross multiply
    513,039,614.53x = 707,975,700.59 × 278,085,230.47
  4. Step 4: Simplify right side
    513,039,614.53x = 196,877,585,864,339,456
  5. Step 5: Solve for x
    x = 196,877,585,864,339,456/513,039,614.53
  6. Step 6: Final answer
    x = 383,747,337.03

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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.