Home / 380,632,265,217.78-571,183,239,819.10-176,387,381,929.74

Finding the Fourth Proportional to 380,632,265,217.78, 571,183,239,819.10 and 176,387,381,929.74

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Solution

The fourth proportional to 380,632,265,217.78, 571,183,239,819.10 and 176,387,381,929.74 is: 264,689,900,148.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,632,265,217.78 : 571,183,239,819.10 = 176,387,381,929.74 : x
  2. Step 2: Convert to fraction form
    380,632,265,217.78/571,183,239,819.10 = 176,387,381,929.74/x
  3. Step 3: Cross multiply
    380,632,265,217.78x = 571,183,239,819.10 × 176,387,381,929.74
  4. Step 4: Simplify right side
    380,632,265,217.78x = 100,749,516,273,837,850,755,072
  5. Step 5: Solve for x
    x = 100,749,516,273,837,850,755,072/380,632,265,217.78
  6. Step 6: Final answer
    x = 264,689,900,148.62

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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.