Home / 1,382,965,928.49-1,908,507,785.31-756,420,959.01

Finding the Fourth Proportional to 1,382,965,928.49, 1,908,507,785.31 and 756,420,959.01

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Solution

The fourth proportional to 1,382,965,928.49, 1,908,507,785.31 and 756,420,959.01 is: 1,043,869,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,965,928.49 : 1,908,507,785.31 = 756,420,959.01 : x
  2. Step 2: Convert to fraction form
    1,382,965,928.49/1,908,507,785.31 = 756,420,959.01/x
  3. Step 3: Cross multiply
    1,382,965,928.49x = 1,908,507,785.31 × 756,420,959.01
  4. Step 4: Simplify right side
    1,382,965,928.49x = 1,443,635,289,242,241,280
  5. Step 5: Solve for x
    x = 1,443,635,289,242,241,280/1,382,965,928.49
  6. Step 6: Final answer
    x = 1,043,869,020.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.