Home / 1,248,834,371.77-1,873,367,146.07-408,481,886.66

Finding the Fourth Proportional to 1,248,834,371.77, 1,873,367,146.07 and 408,481,886.66

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Solution

The fourth proportional to 1,248,834,371.77, 1,873,367,146.07 and 408,481,886.66 is: 612,760,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,834,371.77 : 1,873,367,146.07 = 408,481,886.66 : x
  2. Step 2: Convert to fraction form
    1,248,834,371.77/1,873,367,146.07 = 408,481,886.66/x
  3. Step 3: Cross multiply
    1,248,834,371.77x = 1,873,367,146.07 × 408,481,886.66
  4. Step 4: Simplify right side
    1,248,834,371.77x = 765,236,546,233,533,440
  5. Step 5: Solve for x
    x = 765,236,546,233,533,440/1,248,834,371.77
  6. Step 6: Final answer
    x = 612,760,637.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.