Home / 1,374,578,645.73-1,896,980,996.44-810,087,351.81

Finding the Fourth Proportional to 1,374,578,645.73, 1,896,980,996.44 and 810,087,351.81

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Solution

The fourth proportional to 1,374,578,645.73, 1,896,980,996.44 and 810,087,351.81 is: 1,117,957,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,578,645.73 : 1,896,980,996.44 = 810,087,351.81 : x
  2. Step 2: Convert to fraction form
    1,374,578,645.73/1,896,980,996.44 = 810,087,351.81/x
  3. Step 3: Cross multiply
    1,374,578,645.73x = 1,896,980,996.44 × 810,087,351.81
  4. Step 4: Simplify right side
    1,374,578,645.73x = 1,536,720,311,839,974,656
  5. Step 5: Solve for x
    x = 1,536,720,311,839,974,656/1,374,578,645.73
  6. Step 6: Final answer
    x = 1,117,957,358.51

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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.