Home / 711,788,041,040.52-982,348,982,923.55-399,012,902,365.98

Finding the Fourth Proportional to 711,788,041,040.52, 982,348,982,923.55 and 399,012,902,365.98

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Solution

The fourth proportional to 711,788,041,040.52, 982,348,982,923.55 and 399,012,902,365.98 is: 550,683,484,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,788,041,040.52 : 982,348,982,923.55 = 399,012,902,365.98 : x
  2. Step 2: Convert to fraction form
    711,788,041,040.52/982,348,982,923.55 = 399,012,902,365.98/x
  3. Step 3: Cross multiply
    711,788,041,040.52x = 982,348,982,923.55 × 399,012,902,365.98
  4. Step 4: Simplify right side
    711,788,041,040.52x = 391,969,918,812,594,194,350,080
  5. Step 5: Solve for x
    x = 391,969,918,812,594,194,350,080/711,788,041,040.52
  6. Step 6: Final answer
    x = 550,683,484,706.48

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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.