Home / 724,230,504,807.40-999,490,919,885.60-419,814,751,058.92

Finding the Fourth Proportional to 724,230,504,807.40, 999,490,919,885.60 and 419,814,751,058.92

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Solution

The fourth proportional to 724,230,504,807.40, 999,490,919,885.60 and 419,814,751,058.92 is: 579,374,976,519.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,230,504,807.40 : 999,490,919,885.60 = 419,814,751,058.92 : x
  2. Step 2: Convert to fraction form
    724,230,504,807.40/999,490,919,885.60 = 419,814,751,058.92/x
  3. Step 3: Cross multiply
    724,230,504,807.40x = 999,490,919,885.60 × 419,814,751,058.92
  4. Step 4: Simplify right side
    724,230,504,807.40x = 419,601,031,717,424,061,218,816
  5. Step 5: Solve for x
    x = 419,601,031,717,424,061,218,816/724,230,504,807.40
  6. Step 6: Final answer
    x = 579,374,976,519.41

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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.