Home / 1,086,237,511.31-1,629,064,550.03-299,103,763.05

Finding the Fourth Proportional to 1,086,237,511.31, 1,629,064,550.03 and 299,103,763.05

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Solution

The fourth proportional to 1,086,237,511.31, 1,629,064,550.03 and 299,103,763.05 is: 448,575,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,237,511.31 : 1,629,064,550.03 = 299,103,763.05 : x
  2. Step 2: Convert to fraction form
    1,086,237,511.31/1,629,064,550.03 = 299,103,763.05/x
  3. Step 3: Cross multiply
    1,086,237,511.31x = 1,629,064,550.03 × 299,103,763.05
  4. Step 4: Simplify right side
    1,086,237,511.31x = 487,259,337,163,832,512
  5. Step 5: Solve for x
    x = 487,259,337,163,832,512/1,086,237,511.31
  6. Step 6: Final answer
    x = 448,575,318.10

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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.