Home / 1,783,964,671.20-2,675,947,006.80-619,311,719.70

Finding the Fourth Proportional to 1,783,964,671.20, 2,675,947,006.80 and 619,311,719.70

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Solution

The fourth proportional to 1,783,964,671.20, 2,675,947,006.80 and 619,311,719.70 is: 928,967,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,964,671.20 : 2,675,947,006.80 = 619,311,719.70 : x
  2. Step 2: Convert to fraction form
    1,783,964,671.20/2,675,947,006.80 = 619,311,719.70/x
  3. Step 3: Cross multiply
    1,783,964,671.20x = 2,675,947,006.80 × 619,311,719.70
  4. Step 4: Simplify right side
    1,783,964,671.20x = 1,657,245,342,607,375,872
  5. Step 5: Solve for x
    x = 1,657,245,342,607,375,872/1,783,964,671.20
  6. Step 6: Final answer
    x = 928,967,579.55

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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.