Home / 513,039,611.04-707,975,695.74-278,085,227

Finding the Fourth Proportional to 513,039,611.04, 707,975,695.74 and 278,085,227

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Solution

The fourth proportional to 513,039,611.04, 707,975,695.74 and 278,085,227 is: 383,747,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,039,611.04 : 707,975,695.74 = 278,085,227 : x
  2. Step 2: Convert to fraction form
    513,039,611.04/707,975,695.74 = 278,085,227/x
  3. Step 3: Cross multiply
    513,039,611.04x = 707,975,695.74 × 278,085,227
  4. Step 4: Simplify right side
    513,039,611.04x = 196,877,582,060,340,832
  5. Step 5: Solve for x
    x = 196,877,582,060,340,832/513,039,611.04
  6. Step 6: Final answer
    x = 383,747,332.22

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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.