Home / 824,402,300.70-1,236,603,451.05-279,143,834.70

Finding the Fourth Proportional to 824,402,300.70, 1,236,603,451.05 and 279,143,834.70

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Solution

The fourth proportional to 824,402,300.70, 1,236,603,451.05 and 279,143,834.70 is: 418,715,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,402,300.70 : 1,236,603,451.05 = 279,143,834.70 : x
  2. Step 2: Convert to fraction form
    824,402,300.70/1,236,603,451.05 = 279,143,834.70/x
  3. Step 3: Cross multiply
    824,402,300.70x = 1,236,603,451.05 × 279,143,834.70
  4. Step 4: Simplify right side
    824,402,300.70x = 345,190,229,329,350,720
  5. Step 5: Solve for x
    x = 345,190,229,329,350,720/824,402,300.70
  6. Step 6: Final answer
    x = 418,715,752.05

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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.