Home / 2,085,846,278.40-3,128,769,417.60-1,310,036,896.80

Finding the Fourth Proportional to 2,085,846,278.40, 3,128,769,417.60 and 1,310,036,896.80

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Solution

The fourth proportional to 2,085,846,278.40, 3,128,769,417.60 and 1,310,036,896.80 is: 1,965,055,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,846,278.40 : 3,128,769,417.60 = 1,310,036,896.80 : x
  2. Step 2: Convert to fraction form
    2,085,846,278.40/3,128,769,417.60 = 1,310,036,896.80/x
  3. Step 3: Cross multiply
    2,085,846,278.40x = 3,128,769,417.60 × 1,310,036,896.80
  4. Step 4: Simplify right side
    2,085,846,278.40x = 4,098,803,378,635,446,784
  5. Step 5: Solve for x
    x = 4,098,803,378,635,446,784/2,085,846,278.40
  6. Step 6: Final answer
    x = 1,965,055,345.20

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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.