Home / 1,309,978,721,614.40-1,807,864,182,259.90-724,015,961,795.73

Finding the Fourth Proportional to 1,309,978,721,614.40, 1,807,864,182,259.90 and 724,015,961,795.73

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Solution

The fourth proportional to 1,309,978,721,614.40, 1,807,864,182,259.90 and 724,015,961,795.73 is: 999,193,729,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,978,721,614.40 : 1,807,864,182,259.90 = 724,015,961,795.73 : x
  2. Step 2: Convert to fraction form
    1,309,978,721,614.40/1,807,864,182,259.90 = 724,015,961,795.73/x
  3. Step 3: Cross multiply
    1,309,978,721,614.40x = 1,807,864,182,259.90 × 724,015,961,795.73
  4. Step 4: Simplify right side
    1,309,978,721,614.40x = 1,308,922,524,714,952,369,897,472
  5. Step 5: Solve for x
    x = 1,308,922,524,714,952,369,897,472/1,309,978,721,614.40
  6. Step 6: Final answer
    x = 999,193,729,728.57

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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.