Home / 343,202,512.80-514,803,769.20-205,453,005.60

Finding the Fourth Proportional to 343,202,512.80, 514,803,769.20 and 205,453,005.60

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Solution

The fourth proportional to 343,202,512.80, 514,803,769.20 and 205,453,005.60 is: 308,179,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,202,512.80 : 514,803,769.20 = 205,453,005.60 : x
  2. Step 2: Convert to fraction form
    343,202,512.80/514,803,769.20 = 205,453,005.60/x
  3. Step 3: Cross multiply
    343,202,512.80x = 514,803,769.20 × 205,453,005.60
  4. Step 4: Simplify right side
    343,202,512.80x = 105,767,981,676,348,704
  5. Step 5: Solve for x
    x = 105,767,981,676,348,704/343,202,512.80
  6. Step 6: Final answer
    x = 308,179,508.40

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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.