Home / 397,465,661.20-596,198,491.80-314,560,865.20

Finding the Fourth Proportional to 397,465,661.20, 596,198,491.80 and 314,560,865.20

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Solution

The fourth proportional to 397,465,661.20, 596,198,491.80 and 314,560,865.20 is: 471,841,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,465,661.20 : 596,198,491.80 = 314,560,865.20 : x
  2. Step 2: Convert to fraction form
    397,465,661.20/596,198,491.80 = 314,560,865.20/x
  3. Step 3: Cross multiply
    397,465,661.20x = 596,198,491.80 × 314,560,865.20
  4. Step 4: Simplify right side
    397,465,661.20x = 187,540,713,411,543,072
  5. Step 5: Solve for x
    x = 187,540,713,411,543,072/397,465,661.20
  6. Step 6: Final answer
    x = 471,841,297.80

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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.