Home / 389,685,751.38-537,639,806.34-265,711,194.90

Finding the Fourth Proportional to 389,685,751.38, 537,639,806.34 and 265,711,194.90

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Solution

The fourth proportional to 389,685,751.38, 537,639,806.34 and 265,711,194.90 is: 366,595,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,685,751.38 : 537,639,806.34 = 265,711,194.90 : x
  2. Step 2: Convert to fraction form
    389,685,751.38/537,639,806.34 = 265,711,194.90/x
  3. Step 3: Cross multiply
    389,685,751.38x = 537,639,806.34 × 265,711,194.90
  4. Step 4: Simplify right side
    389,685,751.38x = 142,856,915,368,406,000
  5. Step 5: Solve for x
    x = 142,856,915,368,406,000/389,685,751.38
  6. Step 6: Final answer
    x = 366,595,172.81

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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.