Home / 1,374,578,646.73-1,896,980,997.82-810,087,352.81

Finding the Fourth Proportional to 1,374,578,646.73, 1,896,980,997.82 and 810,087,352.81

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Solution

The fourth proportional to 1,374,578,646.73, 1,896,980,997.82 and 810,087,352.81 is: 1,117,957,359.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,578,646.73 : 1,896,980,997.82 = 810,087,352.81 : x
  2. Step 2: Convert to fraction form
    1,374,578,646.73/1,896,980,997.82 = 810,087,352.81/x
  3. Step 3: Cross multiply
    1,374,578,646.73x = 1,896,980,997.82 × 810,087,352.81
  4. Step 4: Simplify right side
    1,374,578,646.73x = 1,536,720,314,854,875,904
  5. Step 5: Solve for x
    x = 1,536,720,314,854,875,904/1,374,578,646.73
  6. Step 6: Final answer
    x = 1,117,957,359.89

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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.