Home / 471,920,299-707,882,687.44-144,395,289.72

Finding the Fourth Proportional to 471,920,299, 707,882,687.44 and 144,395,289.72

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Solution

The fourth proportional to 471,920,299, 707,882,687.44 and 144,395,289.72 is: 216,593,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,920,299 : 707,882,687.44 = 144,395,289.72 : x
  2. Step 2: Convert to fraction form
    471,920,299/707,882,687.44 = 144,395,289.72/x
  3. Step 3: Cross multiply
    471,920,299x = 707,882,687.44 × 144,395,289.72
  4. Step 4: Simplify right side
    471,920,299x = 102,214,925,737,131,600
  5. Step 5: Solve for x
    x = 102,214,925,737,131,600/471,920,299
  6. Step 6: Final answer
    x = 216,593,619.63

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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.