Home / 513,987,840,792.61-709,309,647,707.61-282,526,630,882.91

Finding the Fourth Proportional to 513,987,840,792.61, 709,309,647,707.61 and 282,526,630,882.91

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Solution

The fourth proportional to 513,987,840,792.61, 709,309,647,707.61 and 282,526,630,882.91 is: 389,890,283,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,987,840,792.61 : 709,309,647,707.61 = 282,526,630,882.91 : x
  2. Step 2: Convert to fraction form
    513,987,840,792.61/709,309,647,707.61 = 282,526,630,882.91/x
  3. Step 3: Cross multiply
    513,987,840,792.61x = 709,309,647,707.61 × 282,526,630,882.91
  4. Step 4: Simplify right side
    513,987,840,792.61x = 200,398,865,019,574,830,497,792
  5. Step 5: Solve for x
    x = 200,398,865,019,574,830,497,792/513,987,840,792.61
  6. Step 6: Final answer
    x = 389,890,283,611.66

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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.