Home / 6,581,278,681.40-9,082,164,681.42-3,761,947,684.28

Finding the Fourth Proportional to 6,581,278,681.40, 9,082,164,681.42 and 3,761,947,684.28

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Solution

The fourth proportional to 6,581,278,681.40, 9,082,164,681.42 and 3,761,947,684.28 is: 5,191,487,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581,278,681.40 : 9,082,164,681.42 = 3,761,947,684.28 : x
  2. Step 2: Convert to fraction form
    6,581,278,681.40/9,082,164,681.42 = 3,761,947,684.28/x
  3. Step 3: Cross multiply
    6,581,278,681.40x = 9,082,164,681.42 × 3,761,947,684.28
  4. Step 4: Simplify right side
    6,581,278,681.40x = 34,166,628,391,517,573,120
  5. Step 5: Solve for x
    x = 34,166,628,391,517,573,120/6,581,278,681.40
  6. Step 6: Final answer
    x = 5,191,487,862.09

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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.