Home / 513,039,590.92-707,975,668-278,085,206.87

Finding the Fourth Proportional to 513,039,590.92, 707,975,668 and 278,085,206.87

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Solution

The fourth proportional to 513,039,590.92, 707,975,668 and 278,085,206.87 is: 383,747,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,039,590.92 : 707,975,668 = 278,085,206.87 : x
  2. Step 2: Convert to fraction form
    513,039,590.92/707,975,668 = 278,085,206.87/x
  3. Step 3: Cross multiply
    513,039,590.92x = 707,975,668 × 278,085,206.87
  4. Step 4: Simplify right side
    513,039,590.92x = 196,877,560,091,166,560
  5. Step 5: Solve for x
    x = 196,877,560,091,166,560/513,039,590.92
  6. Step 6: Final answer
    x = 383,747,304.45

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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.