Home / 1,309,978,721,607.40-1,807,864,182,249.90-724,015,961,788.73

Finding the Fourth Proportional to 1,309,978,721,607.40, 1,807,864,182,249.90 and 724,015,961,788.73

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Solution

The fourth proportional to 1,309,978,721,607.40, 1,807,864,182,249.90 and 724,015,961,788.73 is: 999,193,729,718.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,978,721,607.40 : 1,807,864,182,249.90 = 724,015,961,788.73 : x
  2. Step 2: Convert to fraction form
    1,309,978,721,607.40/1,807,864,182,249.90 = 724,015,961,788.73/x
  3. Step 3: Cross multiply
    1,309,978,721,607.40x = 1,807,864,182,249.90 × 724,015,961,788.73
  4. Step 4: Simplify right side
    1,309,978,721,607.40x = 1,308,922,524,695,057,007,640,576
  5. Step 5: Solve for x
    x = 1,308,922,524,695,057,007,640,576/1,309,978,721,607.40
  6. Step 6: Final answer
    x = 999,193,729,718.72

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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.