Home / 1,488,206,290.55-2,053,708,382.41-819,137,030.63

Finding the Fourth Proportional to 1,488,206,290.55, 2,053,708,382.41 and 819,137,030.63

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Solution

The fourth proportional to 1,488,206,290.55, 2,053,708,382.41 and 819,137,030.63 is: 1,130,400,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,206,290.55 : 2,053,708,382.41 = 819,137,030.63 : x
  2. Step 2: Convert to fraction form
    1,488,206,290.55/2,053,708,382.41 = 819,137,030.63/x
  3. Step 3: Cross multiply
    1,488,206,290.55x = 2,053,708,382.41 × 819,137,030.63
  4. Step 4: Simplify right side
    1,488,206,290.55x = 1,682,268,586,134,951,680
  5. Step 5: Solve for x
    x = 1,682,268,586,134,951,680/1,488,206,290.55
  6. Step 6: Final answer
    x = 1,130,400,131.23

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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.