Home / 12,957,065,742.98-17,880,767,969.38-7,016,628,489.86

Finding the Fourth Proportional to 12,957,065,742.98, 17,880,767,969.38 and 7,016,628,489.86

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Solution

The fourth proportional to 12,957,065,742.98, 17,880,767,969.38 and 7,016,628,489.86 is: 9,682,956,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957,065,742.98 : 17,880,767,969.38 = 7,016,628,489.86 : x
  2. Step 2: Convert to fraction form
    12,957,065,742.98/17,880,767,969.38 = 7,016,628,489.86/x
  3. Step 3: Cross multiply
    12,957,065,742.98x = 17,880,767,969.38 × 7,016,628,489.86
  4. Step 4: Simplify right side
    12,957,065,742.98x = 125,462,705,954,527,854,592
  5. Step 5: Solve for x
    x = 125,462,705,954,527,854,592/12,957,065,742.98
  6. Step 6: Final answer
    x = 9,682,956,654.17

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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.