Home / 1,438,939,134-2,158,614,595.82-443,044,427.33

Finding the Fourth Proportional to 1,438,939,134, 2,158,614,595.82 and 443,044,427.33

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Solution

The fourth proportional to 1,438,939,134, 2,158,614,595.82 and 443,044,427.33 is: 664,630,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,939,134 : 2,158,614,595.82 = 443,044,427.33 : x
  2. Step 2: Convert to fraction form
    1,438,939,134/2,158,614,595.82 = 443,044,427.33/x
  3. Step 3: Cross multiply
    1,438,939,134x = 2,158,614,595.82 × 443,044,427.33
  4. Step 4: Simplify right side
    1,438,939,134x = 956,362,167,418,243,072
  5. Step 5: Solve for x
    x = 956,362,167,418,243,072/1,438,939,134
  6. Step 6: Final answer
    x = 664,630,035.30

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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.