Home / 510,758,679.60-766,245,619.80-165,685,363.20

Finding the Fourth Proportional to 510,758,679.60, 766,245,619.80 and 165,685,363.20

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Solution

The fourth proportional to 510,758,679.60, 766,245,619.80 and 165,685,363.20 is: 248,562,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,758,679.60 : 766,245,619.80 = 165,685,363.20 : x
  2. Step 2: Convert to fraction form
    510,758,679.60/766,245,619.80 = 165,685,363.20/x
  3. Step 3: Cross multiply
    510,758,679.60x = 766,245,619.80 × 165,685,363.20
  4. Step 4: Simplify right side
    510,758,679.60x = 126,955,683,816,972,096
  5. Step 5: Solve for x
    x = 126,955,683,816,972,096/510,758,679.60
  6. Step 6: Final answer
    x = 248,562,949.37

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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.