Home / 275,217,858,045.68-412,826,787,068.51-86,621,564,000.48

Finding the Fourth Proportional to 275,217,858,045.68, 412,826,787,068.51 and 86,621,564,000.48

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Solution

The fourth proportional to 275,217,858,045.68, 412,826,787,068.51 and 86,621,564,000.48 is: 129,932,346,000.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,217,858,045.68 : 412,826,787,068.51 = 86,621,564,000.48 : x
  2. Step 2: Convert to fraction form
    275,217,858,045.68/412,826,787,068.51 = 86,621,564,000.48/x
  3. Step 3: Cross multiply
    275,217,858,045.68x = 412,826,787,068.51 × 86,621,564,000.48
  4. Step 4: Simplify right side
    275,217,858,045.68x = 35,759,701,957,165,407,272,960
  5. Step 5: Solve for x
    x = 35,759,701,957,165,407,272,960/275,217,858,045.68
  6. Step 6: Final answer
    x = 129,932,346,000.71

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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.