Home / 1,206,037,083.36-1,808,672,112.72-387,958,959.84

Finding the Fourth Proportional to 1,206,037,083.36, 1,808,672,112.72 and 387,958,959.84

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Solution

The fourth proportional to 1,206,037,083.36, 1,808,672,112.72 and 387,958,959.84 is: 581,815,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,037,083.36 : 1,808,672,112.72 = 387,958,959.84 : x
  2. Step 2: Convert to fraction form
    1,206,037,083.36/1,808,672,112.72 = 387,958,959.84/x
  3. Step 3: Cross multiply
    1,206,037,083.36x = 1,808,672,112.72 × 387,958,959.84
  4. Step 4: Simplify right side
    1,206,037,083.36x = 701,690,551,542,466,432
  5. Step 5: Solve for x
    x = 701,690,551,542,466,432/1,206,037,083.36
  6. Step 6: Final answer
    x = 581,815,071.21

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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.