Home / 1,309,978,721,615.10-1,807,864,182,260.90-724,015,961,796.49

Finding the Fourth Proportional to 1,309,978,721,615.10, 1,807,864,182,260.90 and 724,015,961,796.49

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Solution

The fourth proportional to 1,309,978,721,615.10, 1,807,864,182,260.90 and 724,015,961,796.49 is: 999,193,729,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,978,721,615.10 : 1,807,864,182,260.90 = 724,015,961,796.49 : x
  2. Step 2: Convert to fraction form
    1,309,978,721,615.10/1,807,864,182,260.90 = 724,015,961,796.49/x
  3. Step 3: Cross multiply
    1,309,978,721,615.10x = 1,807,864,182,260.90 × 724,015,961,796.49
  4. Step 4: Simplify right side
    1,309,978,721,615.10x = 1,308,922,524,717,050,192,986,112
  5. Step 5: Solve for x
    x = 1,308,922,524,717,050,192,986,112/1,309,978,721,615.10
  6. Step 6: Final answer
    x = 999,193,729,729.63

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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.