Home / 476,945,999.70-715,418,999.55-373,633,869.30

Finding the Fourth Proportional to 476,945,999.70, 715,418,999.55 and 373,633,869.30

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Solution

The fourth proportional to 476,945,999.70, 715,418,999.55 and 373,633,869.30 is: 560,450,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,945,999.70 : 715,418,999.55 = 373,633,869.30 : x
  2. Step 2: Convert to fraction form
    476,945,999.70/715,418,999.55 = 373,633,869.30/x
  3. Step 3: Cross multiply
    476,945,999.70x = 715,418,999.55 × 373,633,869.30
  4. Step 4: Simplify right side
    476,945,999.70x = 267,304,768,972,601,440
  5. Step 5: Solve for x
    x = 267,304,768,972,601,440/476,945,999.70
  6. Step 6: Final answer
    x = 560,450,803.95

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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.