Home / 495,360,829.71-743,041,375.77-145,606,912.11

Finding the Fourth Proportional to 495,360,829.71, 743,041,375.77 and 145,606,912.11

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Solution

The fourth proportional to 495,360,829.71, 743,041,375.77 and 145,606,912.11 is: 218,410,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,360,829.71 : 743,041,375.77 = 145,606,912.11 : x
  2. Step 2: Convert to fraction form
    495,360,829.71/743,041,375.77 = 145,606,912.11/x
  3. Step 3: Cross multiply
    495,360,829.71x = 743,041,375.77 × 145,606,912.11
  4. Step 4: Simplify right side
    495,360,829.71x = 108,191,960,295,835,888
  5. Step 5: Solve for x
    x = 108,191,960,295,835,888/495,360,829.71
  6. Step 6: Final answer
    x = 218,410,406.73

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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.