Home / 663,685,315.20-995,527,972.80-203,622,746.40

Finding the Fourth Proportional to 663,685,315.20, 995,527,972.80 and 203,622,746.40

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Solution

The fourth proportional to 663,685,315.20, 995,527,972.80 and 203,622,746.40 is: 305,434,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,685,315.20 : 995,527,972.80 = 203,622,746.40 : x
  2. Step 2: Convert to fraction form
    663,685,315.20/995,527,972.80 = 203,622,746.40/x
  3. Step 3: Cross multiply
    663,685,315.20x = 995,527,972.80 × 203,622,746.40
  4. Step 4: Simplify right side
    663,685,315.20x = 202,712,139,939,560,480
  5. Step 5: Solve for x
    x = 202,712,139,939,560,480/663,685,315.20
  6. Step 6: Final answer
    x = 305,434,119.60

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Similar ratio
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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.