Home / 12,957,065,738.73-17,880,767,963.51-7,016,628,485.61

Finding the Fourth Proportional to 12,957,065,738.73, 17,880,767,963.51 and 7,016,628,485.61

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Solution

The fourth proportional to 12,957,065,738.73, 17,880,767,963.51 and 7,016,628,485.61 is: 9,682,956,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957,065,738.73 : 17,880,767,963.51 = 7,016,628,485.61 : x
  2. Step 2: Convert to fraction form
    12,957,065,738.73/17,880,767,963.51 = 7,016,628,485.61/x
  3. Step 3: Cross multiply
    12,957,065,738.73x = 17,880,767,963.51 × 7,016,628,485.61
  4. Step 4: Simplify right side
    12,957,065,738.73x = 125,462,705,837,311,885,312
  5. Step 5: Solve for x
    x = 125,462,705,837,311,885,312/12,957,065,738.73
  6. Step 6: Final answer
    x = 9,682,956,648.30

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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.