Home / 323,847,259.40-485,770,889.10-186,097,752.20

Finding the Fourth Proportional to 323,847,259.40, 485,770,889.10 and 186,097,752.20

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Solution

The fourth proportional to 323,847,259.40, 485,770,889.10 and 186,097,752.20 is: 279,146,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,847,259.40 : 485,770,889.10 = 186,097,752.20 : x
  2. Step 2: Convert to fraction form
    323,847,259.40/485,770,889.10 = 186,097,752.20/x
  3. Step 3: Cross multiply
    323,847,259.40x = 485,770,889.10 × 186,097,752.20
  4. Step 4: Simplify right side
    323,847,259.40x = 90,400,870,545,705,472
  5. Step 5: Solve for x
    x = 90,400,870,545,705,472/323,847,259.40
  6. Step 6: Final answer
    x = 279,146,628.30

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Similar ratio
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1.5x scale

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.