Home / 766,041,115.24-1,149,223,072.65-248,431,195.72

Finding the Fourth Proportional to 766,041,115.24, 1,149,223,072.65 and 248,431,195.72

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Solution

The fourth proportional to 766,041,115.24, 1,149,223,072.65 and 248,431,195.72 is: 372,699,136.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,041,115.24 : 1,149,223,072.65 = 248,431,195.72 : x
  2. Step 2: Convert to fraction form
    766,041,115.24/1,149,223,072.65 = 248,431,195.72/x
  3. Step 3: Cross multiply
    766,041,115.24x = 1,149,223,072.65 × 248,431,195.72
  4. Step 4: Simplify right side
    766,041,115.24x = 285,502,862,087,451,936
  5. Step 5: Solve for x
    x = 285,502,862,087,451,936/766,041,115.24
  6. Step 6: Final answer
    x = 372,699,136.39

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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.