Home / 711,788,041,039.01-982,348,982,921.48-399,012,902,364.49

Finding the Fourth Proportional to 711,788,041,039.01, 982,348,982,921.48 and 399,012,902,364.49

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Solution

The fourth proportional to 711,788,041,039.01, 982,348,982,921.48 and 399,012,902,364.49 is: 550,683,484,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,788,041,039.01 : 982,348,982,921.48 = 399,012,902,364.49 : x
  2. Step 2: Convert to fraction form
    711,788,041,039.01/982,348,982,921.48 = 399,012,902,364.49/x
  3. Step 3: Cross multiply
    711,788,041,039.01x = 982,348,982,921.48 × 399,012,902,364.49
  4. Step 4: Simplify right side
    711,788,041,039.01x = 391,969,918,810,304,507,019,264
  5. Step 5: Solve for x
    x = 391,969,918,810,304,507,019,264/711,788,041,039.01
  6. Step 6: Final answer
    x = 550,683,484,704.43

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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.