Home / 1,877,410,324.80-2,817,123,256.80-787,003,617.60

Finding the Fourth Proportional to 1,877,410,324.80, 2,817,123,256.80 and 787,003,617.60

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Solution

The fourth proportional to 1,877,410,324.80, 2,817,123,256.80 and 787,003,617.60 is: 1,180,927,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,410,324.80 : 2,817,123,256.80 = 787,003,617.60 : x
  2. Step 2: Convert to fraction form
    1,877,410,324.80/2,817,123,256.80 = 787,003,617.60/x
  3. Step 3: Cross multiply
    1,877,410,324.80x = 2,817,123,256.80 × 787,003,617.60
  4. Step 4: Simplify right side
    1,877,410,324.80x = 2,217,086,194,326,694,144
  5. Step 5: Solve for x
    x = 2,217,086,194,326,694,144/1,877,410,324.80
  6. Step 6: Final answer
    x = 1,180,927,879.77

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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.