Home / 11,731,954,950.81-16,190,404,675.35-6,379,828,335.18

Finding the Fourth Proportional to 11,731,954,950.81, 16,190,404,675.35 and 6,379,828,335.18

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Solution

The fourth proportional to 11,731,954,950.81, 16,190,404,675.35 and 6,379,828,335.18 is: 8,804,329,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731,954,950.81 : 16,190,404,675.35 = 6,379,828,335.18 : x
  2. Step 2: Convert to fraction form
    11,731,954,950.81/16,190,404,675.35 = 6,379,828,335.18/x
  3. Step 3: Cross multiply
    11,731,954,950.81x = 16,190,404,675.35 × 6,379,828,335.18
  4. Step 4: Simplify right side
    11,731,954,950.81x = 103,292,002,505,828,679,680
  5. Step 5: Solve for x
    x = 103,292,002,505,828,679,680/11,731,954,950.81
  6. Step 6: Final answer
    x = 8,804,329,963.67

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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.