Home / 8,919,370,693.67-12,309,055,170.80-5,109,629,947.62

Finding the Fourth Proportional to 8,919,370,693.67, 12,309,055,170.80 and 5,109,629,947.62

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Solution

The fourth proportional to 8,919,370,693.67, 12,309,055,170.80 and 5,109,629,947.62 is: 7,051,474,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919,370,693.67 : 12,309,055,170.80 = 5,109,629,947.62 : x
  2. Step 2: Convert to fraction form
    8,919,370,693.67/12,309,055,170.80 = 5,109,629,947.62/x
  3. Step 3: Cross multiply
    8,919,370,693.67x = 12,309,055,170.80 × 5,109,629,947.62
  4. Step 4: Simplify right side
    8,919,370,693.67x = 62,894,716,927,600,943,104
  5. Step 5: Solve for x
    x = 62,894,716,927,600,943,104/8,919,370,693.67
  6. Step 6: Final answer
    x = 7,051,474,715.84

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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.