Home / 313,744,838.48-470,674,717.84-129,411,758.85

Finding the Fourth Proportional to 313,744,838.48, 470,674,717.84 and 129,411,758.85

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Solution

The fourth proportional to 313,744,838.48, 470,674,717.84 and 129,411,758.85 is: 194,141,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,744,838.48 : 470,674,717.84 = 129,411,758.85 : x
  2. Step 2: Convert to fraction form
    313,744,838.48/470,674,717.84 = 129,411,758.85/x
  3. Step 3: Cross multiply
    313,744,838.48x = 470,674,717.84 × 129,411,758.85
  4. Step 4: Simplify right side
    313,744,838.48x = 60,910,843,079,982,056
  5. Step 5: Solve for x
    x = 60,910,843,079,982,056/313,744,838.48
  6. Step 6: Final answer
    x = 194,141,339.10

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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.