Home / 1,086,237,512.31-1,629,064,551.52-299,103,764.05

Finding the Fourth Proportional to 1,086,237,512.31, 1,629,064,551.52 and 299,103,764.05

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Solution

The fourth proportional to 1,086,237,512.31, 1,629,064,551.52 and 299,103,764.05 is: 448,575,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,237,512.31 : 1,629,064,551.52 = 299,103,764.05 : x
  2. Step 2: Convert to fraction form
    1,086,237,512.31/1,629,064,551.52 = 299,103,764.05/x
  3. Step 3: Cross multiply
    1,086,237,512.31x = 1,629,064,551.52 × 299,103,764.05
  4. Step 4: Simplify right side
    1,086,237,512.31x = 487,259,339,240,057,152
  5. Step 5: Solve for x
    x = 487,259,339,240,057,152/1,086,237,512.31
  6. Step 6: Final answer
    x = 448,575,319.59

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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.