Home / 1,519,072,383.75-2,278,595,775.49-1,187,358,411.77

Finding the Fourth Proportional to 1,519,072,383.75, 2,278,595,775.49 and 1,187,358,411.77

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Solution

The fourth proportional to 1,519,072,383.75, 2,278,595,775.49 and 1,187,358,411.77 is: 1,781,027,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,072,383.75 : 2,278,595,775.49 = 1,187,358,411.77 : x
  2. Step 2: Convert to fraction form
    1,519,072,383.75/2,278,595,775.49 = 1,187,358,411.77/x
  3. Step 3: Cross multiply
    1,519,072,383.75x = 2,278,595,775.49 × 1,187,358,411.77
  4. Step 4: Simplify right side
    1,519,072,383.75x = 2,705,509,861,065,463,296
  5. Step 5: Solve for x
    x = 2,705,509,861,065,463,296/1,519,072,383.75
  6. Step 6: Final answer
    x = 1,781,027,612.65

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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.