Home / 485,286,834.50-727,930,251.75-162,170,706.50

Finding the Fourth Proportional to 485,286,834.50, 727,930,251.75 and 162,170,706.50

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Solution

The fourth proportional to 485,286,834.50, 727,930,251.75 and 162,170,706.50 is: 243,256,059.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,286,834.50 : 727,930,251.75 = 162,170,706.50 : x
  2. Step 2: Convert to fraction form
    485,286,834.50/727,930,251.75 = 162,170,706.50/x
  3. Step 3: Cross multiply
    485,286,834.50x = 727,930,251.75 × 162,170,706.50
  4. Step 4: Simplify right side
    485,286,834.50x = 118,048,963,209,020,368
  5. Step 5: Solve for x
    x = 118,048,963,209,020,368/485,286,834.50
  6. Step 6: Final answer
    x = 243,256,059.75

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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.