Home / 1,438,939,302.57-2,158,614,848.28-443,044,595.55

Finding the Fourth Proportional to 1,438,939,302.57, 2,158,614,848.28 and 443,044,595.55

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Solution

The fourth proportional to 1,438,939,302.57, 2,158,614,848.28 and 443,044,595.55 is: 664,630,287.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,939,302.57 : 2,158,614,848.28 = 443,044,595.55 : x
  2. Step 2: Convert to fraction form
    1,438,939,302.57/2,158,614,848.28 = 443,044,595.55/x
  3. Step 3: Cross multiply
    1,438,939,302.57x = 2,158,614,848.28 × 443,044,595.55
  4. Step 4: Simplify right side
    1,438,939,302.57x = 956,362,642,404,437,376
  5. Step 5: Solve for x
    x = 956,362,642,404,437,376/1,438,939,302.57
  6. Step 6: Final answer
    x = 664,630,287.53

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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.