Home / 6,690,912,873.61-10,037,512,720.47-2,758,469,357.32

Finding the Fourth Proportional to 6,690,912,873.61, 10,037,512,720.47 and 2,758,469,357.32

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Solution

The fourth proportional to 6,690,912,873.61, 10,037,512,720.47 and 2,758,469,357.32 is: 4,138,175,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,912,873.61 : 10,037,512,720.47 = 2,758,469,357.32 : x
  2. Step 2: Convert to fraction form
    6,690,912,873.61/10,037,512,720.47 = 2,758,469,357.32/x
  3. Step 3: Cross multiply
    6,690,912,873.61x = 10,037,512,720.47 × 2,758,469,357.32
  4. Step 4: Simplify right side
    6,690,912,873.61x = 27,688,171,263,143,768,064
  5. Step 5: Solve for x
    x = 27,688,171,263,143,768,064/6,690,912,873.61
  6. Step 6: Final answer
    x = 4,138,175,430.79

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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.