Home / 460,087,412.20-689,879,175.90-187,149,812.20

Finding the Fourth Proportional to 460,087,412.20, 689,879,175.90 and 187,149,812.20

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Solution

The fourth proportional to 460,087,412.20, 689,879,175.90 and 187,149,812.20 is: 280,622,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,087,412.20 : 689,879,175.90 = 187,149,812.20 : x
  2. Step 2: Convert to fraction form
    460,087,412.20/689,879,175.90 = 187,149,812.20/x
  3. Step 3: Cross multiply
    460,087,412.20x = 689,879,175.90 × 187,149,812.20
  4. Step 4: Simplify right side
    460,087,412.20x = 129,110,758,210,375,760
  5. Step 5: Solve for x
    x = 129,110,758,210,375,760/460,087,412.20
  6. Step 6: Final answer
    x = 280,622,235.66

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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.