Home / 1,025,419,490.87-1,538,129,254.53-249,059,919.65

Finding the Fourth Proportional to 1,025,419,490.87, 1,538,129,254.53 and 249,059,919.65

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Solution

The fourth proportional to 1,025,419,490.87, 1,538,129,254.53 and 249,059,919.65 is: 373,589,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,419,490.87 : 1,538,129,254.53 = 249,059,919.65 : x
  2. Step 2: Convert to fraction form
    1,025,419,490.87/1,538,129,254.53 = 249,059,919.65/x
  3. Step 3: Cross multiply
    1,025,419,490.87x = 1,538,129,254.53 × 249,059,919.65
  4. Step 4: Simplify right side
    1,025,419,490.87x = 383,086,348,544,556,224
  5. Step 5: Solve for x
    x = 383,086,348,544,556,224/1,025,419,490.87
  6. Step 6: Final answer
    x = 373,589,883.90

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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.