Home / 313,911,626.85-433,274,929.05-243,207,387.60

Finding the Fourth Proportional to 313,911,626.85, 433,274,929.05 and 243,207,387.60

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Solution

The fourth proportional to 313,911,626.85, 433,274,929.05 and 243,207,387.60 is: 335,685,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,911,626.85 : 433,274,929.05 = 243,207,387.60 : x
  2. Step 2: Convert to fraction form
    313,911,626.85/433,274,929.05 = 243,207,387.60/x
  3. Step 3: Cross multiply
    313,911,626.85x = 433,274,929.05 × 243,207,387.60
  4. Step 4: Simplify right side
    313,911,626.85x = 105,375,663,606,825,856
  5. Step 5: Solve for x
    x = 105,375,663,606,825,856/313,911,626.85
  6. Step 6: Final answer
    x = 335,685,761.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.