Home / 1,438,939,301.57-2,158,614,846.78-443,044,594.55

Finding the Fourth Proportional to 1,438,939,301.57, 2,158,614,846.78 and 443,044,594.55

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Solution

The fourth proportional to 1,438,939,301.57, 2,158,614,846.78 and 443,044,594.55 is: 664,630,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,939,301.57 : 2,158,614,846.78 = 443,044,594.55 : x
  2. Step 2: Convert to fraction form
    1,438,939,301.57/2,158,614,846.78 = 443,044,594.55/x
  3. Step 3: Cross multiply
    1,438,939,301.57x = 2,158,614,846.78 × 443,044,594.55
  4. Step 4: Simplify right side
    1,438,939,301.57x = 956,362,639,573,609,344
  5. Step 5: Solve for x
    x = 956,362,639,573,609,344/1,438,939,301.57
  6. Step 6: Final answer
    x = 664,630,286.03

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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.