Home / 1,279,450,761.60-1,919,176,162.56-310,102,377.60

Finding the Fourth Proportional to 1,279,450,761.60, 1,919,176,162.56 and 310,102,377.60

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Solution

The fourth proportional to 1,279,450,761.60, 1,919,176,162.56 and 310,102,377.60 is: 465,153,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,450,761.60 : 1,919,176,162.56 = 310,102,377.60 : x
  2. Step 2: Convert to fraction form
    1,279,450,761.60/1,919,176,162.56 = 310,102,377.60/x
  3. Step 3: Cross multiply
    1,279,450,761.60x = 1,919,176,162.56 × 310,102,377.60
  4. Step 4: Simplify right side
    1,279,450,761.60x = 595,141,091,043,100,160
  5. Step 5: Solve for x
    x = 595,141,091,043,100,160/1,279,450,761.60
  6. Step 6: Final answer
    x = 465,153,571.29

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1.5x scale

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.