Home / 21,167,336,728.56-31,744,233,740.52-6,999,670,637.04

Finding the Fourth Proportional to 21,167,336,728.56, 31,744,233,740.52 and 6,999,670,637.04

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Solution

The fourth proportional to 21,167,336,728.56, 31,744,233,740.52 and 6,999,670,637.04 is: 10,497,266,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,336,728.56 : 31,744,233,740.52 = 6,999,670,637.04 : x
  2. Step 2: Convert to fraction form
    21,167,336,728.56/31,744,233,740.52 = 6,999,670,637.04/x
  3. Step 3: Cross multiply
    21,167,336,728.56x = 31,744,233,740.52 × 6,999,670,637.04
  4. Step 4: Simplify right side
    21,167,336,728.56x = 222,199,180,808,852,307,968
  5. Step 5: Solve for x
    x = 222,199,180,808,852,307,968/21,167,336,728.56
  6. Step 6: Final answer
    x = 10,497,266,786.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.