Home / 508,409,600.40-762,685,259.40-217,274,410.80

Finding the Fourth Proportional to 508,409,600.40, 762,685,259.40 and 217,274,410.80

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Solution

The fourth proportional to 508,409,600.40, 762,685,259.40 and 217,274,410.80 is: 325,941,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,409,600.40 : 762,685,259.40 = 217,274,410.80 : x
  2. Step 2: Convert to fraction form
    508,409,600.40/762,685,259.40 = 217,274,410.80/x
  3. Step 3: Cross multiply
    508,409,600.40x = 762,685,259.40 × 217,274,410.80
  4. Step 4: Simplify right side
    508,409,600.40x = 165,711,990,361,980,160
  5. Step 5: Solve for x
    x = 165,711,990,361,980,160/508,409,600.40
  6. Step 6: Final answer
    x = 325,941,898.48

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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.