Home / 1,207,266,065.48-1,810,896,837.78-378,283,170.44

Finding the Fourth Proportional to 1,207,266,065.48, 1,810,896,837.78 and 378,283,170.44

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Solution

The fourth proportional to 1,207,266,065.48, 1,810,896,837.78 and 378,283,170.44 is: 567,424,047.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,266,065.48 : 1,810,896,837.78 = 378,283,170.44 : x
  2. Step 2: Convert to fraction form
    1,207,266,065.48/1,810,896,837.78 = 378,283,170.44/x
  3. Step 3: Cross multiply
    1,207,266,065.48x = 1,810,896,837.78 × 378,283,170.44
  4. Step 4: Simplify right side
    1,207,266,065.48x = 685,031,797,135,188,736
  5. Step 5: Solve for x
    x = 685,031,797,135,188,736/1,207,266,065.48
  6. Step 6: Final answer
    x = 567,424,047.38

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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.