Home / 1,025,419,491.87-1,538,129,256.03-249,059,920.65

Finding the Fourth Proportional to 1,025,419,491.87, 1,538,129,256.03 and 249,059,920.65

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Solution

The fourth proportional to 1,025,419,491.87, 1,538,129,256.03 and 249,059,920.65 is: 373,589,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,419,491.87 : 1,538,129,256.03 = 249,059,920.65 : x
  2. Step 2: Convert to fraction form
    1,025,419,491.87/1,538,129,256.03 = 249,059,920.65/x
  3. Step 3: Cross multiply
    1,025,419,491.87x = 1,538,129,256.03 × 249,059,920.65
  4. Step 4: Simplify right side
    1,025,419,491.87x = 383,086,350,456,275,328
  5. Step 5: Solve for x
    x = 383,086,350,456,275,328/1,025,419,491.87
  6. Step 6: Final answer
    x = 373,589,885.40

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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.