Home / 1,638,671,067.95-2,261,541,320.97-1,004,012,745.81

Finding the Fourth Proportional to 1,638,671,067.95, 2,261,541,320.97 and 1,004,012,745.81

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Solution

The fourth proportional to 1,638,671,067.95, 2,261,541,320.97 and 1,004,012,745.81 is: 1,385,644,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,671,067.95 : 2,261,541,320.97 = 1,004,012,745.81 : x
  2. Step 2: Convert to fraction form
    1,638,671,067.95/2,261,541,320.97 = 1,004,012,745.81/x
  3. Step 3: Cross multiply
    1,638,671,067.95x = 2,261,541,320.97 × 1,004,012,745.81
  4. Step 4: Simplify right side
    1,638,671,067.95x = 2,270,616,311,429,863,936
  5. Step 5: Solve for x
    x = 2,270,616,311,429,863,936/1,638,671,067.95
  6. Step 6: Final answer
    x = 1,385,644,963.07

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Double scale
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1.5x scale

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.