Home / 512,044,704.02-767,980,425.84-143,494,834.04

Finding the Fourth Proportional to 512,044,704.02, 767,980,425.84 and 143,494,834.04

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Solution

The fourth proportional to 512,044,704.02, 767,980,425.84 and 143,494,834.04 is: 215,217,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,044,704.02 : 767,980,425.84 = 143,494,834.04 : x
  2. Step 2: Convert to fraction form
    512,044,704.02/767,980,425.84 = 143,494,834.04/x
  3. Step 3: Cross multiply
    512,044,704.02x = 767,980,425.84 × 143,494,834.04
  4. Step 4: Simplify right side
    512,044,704.02x = 110,201,223,751,879,328
  5. Step 5: Solve for x
    x = 110,201,223,751,879,328/512,044,704.02
  6. Step 6: Final answer
    x = 215,217,973.91

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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.