Home / 1,438,722,388.92-2,158,159,798.23-443,427,028.02

Finding the Fourth Proportional to 1,438,722,388.92, 2,158,159,798.23 and 443,427,028.02

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Solution

The fourth proportional to 1,438,722,388.92, 2,158,159,798.23 and 443,427,028.02 is: 665,164,032.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,722,388.92 : 2,158,159,798.23 = 443,427,028.02 : x
  2. Step 2: Convert to fraction form
    1,438,722,388.92/2,158,159,798.23 = 443,427,028.02/x
  3. Step 3: Cross multiply
    1,438,722,388.92x = 2,158,159,798.23 × 443,427,028.02
  4. Step 4: Simplify right side
    1,438,722,388.92x = 956,986,385,321,371,776
  5. Step 5: Solve for x
    x = 956,986,385,321,371,776/1,438,722,388.92
  6. Step 6: Final answer
    x = 665,164,032.12

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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.