Home / 460,189,336.80-689,696,139.60-187,251,736.80

Finding the Fourth Proportional to 460,189,336.80, 689,696,139.60 and 187,251,736.80

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Solution

The fourth proportional to 460,189,336.80, 689,696,139.60 and 187,251,736.80 is: 280,638,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,189,336.80 : 689,696,139.60 = 187,251,736.80 : x
  2. Step 2: Convert to fraction form
    460,189,336.80/689,696,139.60 = 187,251,736.80/x
  3. Step 3: Cross multiply
    460,189,336.80x = 689,696,139.60 × 187,251,736.80
  4. Step 4: Simplify right side
    460,189,336.80x = 129,146,800,004,355,264
  5. Step 5: Solve for x
    x = 129,146,800,004,355,264/460,189,336.80
  6. Step 6: Final answer
    x = 280,638,401.80

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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.