Home / 513,039,596.22-707,975,675.30-278,085,212.16

Finding the Fourth Proportional to 513,039,596.22, 707,975,675.30 and 278,085,212.16

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Solution

The fourth proportional to 513,039,596.22, 707,975,675.30 and 278,085,212.16 is: 383,747,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,039,596.22 : 707,975,675.30 = 278,085,212.16 : x
  2. Step 2: Convert to fraction form
    513,039,596.22/707,975,675.30 = 278,085,212.16/x
  3. Step 3: Cross multiply
    513,039,596.22x = 707,975,675.30 × 278,085,212.16
  4. Step 4: Simplify right side
    513,039,596.22x = 196,877,565,869,919,776
  5. Step 5: Solve for x
    x = 196,877,565,869,919,776/513,039,596.22
  6. Step 6: Final answer
    x = 383,747,311.75

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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.