Home / 855,131,142.80-1,282,696,714.20-732,687,136.40

Finding the Fourth Proportional to 855,131,142.80, 1,282,696,714.20 and 732,687,136.40

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Solution

The fourth proportional to 855,131,142.80, 1,282,696,714.20 and 732,687,136.40 is: 1,099,030,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,131,142.80 : 1,282,696,714.20 = 732,687,136.40 : x
  2. Step 2: Convert to fraction form
    855,131,142.80/1,282,696,714.20 = 732,687,136.40/x
  3. Step 3: Cross multiply
    855,131,142.80x = 1,282,696,714.20 × 732,687,136.40
  4. Step 4: Simplify right side
    855,131,142.80x = 939,815,382,396,887,168
  5. Step 5: Solve for x
    x = 939,815,382,396,887,168/855,131,142.80
  6. Step 6: Final answer
    x = 1,099,030,704.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.