Home / 1,028,537,726.15-1,419,374,260.79-558,642,410.11

Finding the Fourth Proportional to 1,028,537,726.15, 1,419,374,260.79 and 558,642,410.11

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Solution

The fourth proportional to 1,028,537,726.15, 1,419,374,260.79 and 558,642,410.11 is: 770,922,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,537,726.15 : 1,419,374,260.79 = 558,642,410.11 : x
  2. Step 2: Convert to fraction form
    1,028,537,726.15/1,419,374,260.79 = 558,642,410.11/x
  3. Step 3: Cross multiply
    1,028,537,726.15x = 1,419,374,260.79 × 558,642,410.11
  4. Step 4: Simplify right side
    1,028,537,726.15x = 792,922,657,896,873,344
  5. Step 5: Solve for x
    x = 792,922,657,896,873,344/1,028,537,726.15
  6. Step 6: Final answer
    x = 770,922,288.74

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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.