Home / 7,978,176,680.40-11,967,265,020.60-3,624,612,008.40

Finding the Fourth Proportional to 7,978,176,680.40, 11,967,265,020.60 and 3,624,612,008.40

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Solution

The fourth proportional to 7,978,176,680.40, 11,967,265,020.60 and 3,624,612,008.40 is: 5,436,918,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,176,680.40 : 11,967,265,020.60 = 3,624,612,008.40 : x
  2. Step 2: Convert to fraction form
    7,978,176,680.40/11,967,265,020.60 = 3,624,612,008.40/x
  3. Step 3: Cross multiply
    7,978,176,680.40x = 11,967,265,020.60 × 3,624,612,008.40
  4. Step 4: Simplify right side
    7,978,176,680.40x = 43,376,692,501,372,035,072
  5. Step 5: Solve for x
    x = 43,376,692,501,372,035,072/7,978,176,680.40
  6. Step 6: Final answer
    x = 5,436,918,012.60

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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.