Home / 1,025,419,483.37-1,538,129,243.28-249,059,912.11

Finding the Fourth Proportional to 1,025,419,483.37, 1,538,129,243.28 and 249,059,912.11

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Solution

The fourth proportional to 1,025,419,483.37, 1,538,129,243.28 and 249,059,912.11 is: 373,589,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,419,483.37 : 1,538,129,243.28 = 249,059,912.11 : x
  2. Step 2: Convert to fraction form
    1,025,419,483.37/1,538,129,243.28 = 249,059,912.11/x
  3. Step 3: Cross multiply
    1,025,419,483.37x = 1,538,129,243.28 × 249,059,912.11
  4. Step 4: Simplify right side
    1,025,419,483.37x = 383,086,334,145,137,600
  5. Step 5: Solve for x
    x = 383,086,334,145,137,600/1,025,419,483.37
  6. Step 6: Final answer
    x = 373,589,872.59

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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.