Home / 495,986,340,014.55-743,375,091,571.80-257,089,282,884.65

Finding the Fourth Proportional to 495,986,340,014.55, 743,375,091,571.80 and 257,089,282,884.65

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Solution

The fourth proportional to 495,986,340,014.55, 743,375,091,571.80 and 257,089,282,884.65 is: 385,320,630,404.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,986,340,014.55 : 743,375,091,571.80 = 257,089,282,884.65 : x
  2. Step 2: Convert to fraction form
    495,986,340,014.55/743,375,091,571.80 = 257,089,282,884.65/x
  3. Step 3: Cross multiply
    495,986,340,014.55x = 743,375,091,571.80 × 257,089,282,884.65
  4. Step 4: Simplify right side
    495,986,340,014.55x = 191,113,769,206,505,101,328,384
  5. Step 5: Solve for x
    x = 191,113,769,206,505,101,328,384/495,986,340,014.55
  6. Step 6: Final answer
    x = 385,320,630,404.66

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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.