Home / 4,078,074,911.72-6,120,381,233.96-2,113,489,657.60

Finding the Fourth Proportional to 4,078,074,911.72, 6,120,381,233.96 and 2,113,489,657.60

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Solution

The fourth proportional to 4,078,074,911.72, 6,120,381,233.96 and 2,113,489,657.60 is: 3,171,928,598.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078,074,911.72 : 6,120,381,233.96 = 2,113,489,657.60 : x
  2. Step 2: Convert to fraction form
    4,078,074,911.72/6,120,381,233.96 = 2,113,489,657.60/x
  3. Step 3: Cross multiply
    4,078,074,911.72x = 6,120,381,233.96 × 2,113,489,657.60
  4. Step 4: Simplify right side
    4,078,074,911.72x = 12,935,362,438,543,585,280
  5. Step 5: Solve for x
    x = 12,935,362,438,543,585,280/4,078,074,911.72
  6. Step 6: Final answer
    x = 3,171,928,598.31

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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.