Home / 1,909,741,367.52-2,634,992,268.40-1,605,371,603.92

Finding the Fourth Proportional to 1,909,741,367.52, 2,634,992,268.40 and 1,605,371,603.92

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Solution

The fourth proportional to 1,909,741,367.52, 2,634,992,268.40 and 1,605,371,603.92 is: 2,215,033,844.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,741,367.52 : 2,634,992,268.40 = 1,605,371,603.92 : x
  2. Step 2: Convert to fraction form
    1,909,741,367.52/2,634,992,268.40 = 1,605,371,603.92/x
  3. Step 3: Cross multiply
    1,909,741,367.52x = 2,634,992,268.40 × 1,605,371,603.92
  4. Step 4: Simplify right side
    1,909,741,367.52x = 4,230,141,764,224,616,448
  5. Step 5: Solve for x
    x = 4,230,141,764,224,616,448/1,909,741,367.52
  6. Step 6: Final answer
    x = 2,215,033,844.98

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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.