Home / 3,101,493,680.64-4,280,088,594.74-1,691,803,912.86

Finding the Fourth Proportional to 3,101,493,680.64, 4,280,088,594.74 and 1,691,803,912.86

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Solution

The fourth proportional to 3,101,493,680.64, 4,280,088,594.74 and 1,691,803,912.86 is: 2,334,704,299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,493,680.64 : 4,280,088,594.74 = 1,691,803,912.86 : x
  2. Step 2: Convert to fraction form
    3,101,493,680.64/4,280,088,594.74 = 1,691,803,912.86/x
  3. Step 3: Cross multiply
    3,101,493,680.64x = 4,280,088,594.74 × 1,691,803,912.86
  4. Step 4: Simplify right side
    3,101,493,680.64x = 7,241,070,631,960,131,584
  5. Step 5: Solve for x
    x = 7,241,070,631,960,131,584/3,101,493,680.64
  6. Step 6: Final answer
    x = 2,334,704,299.79

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1.5x scale

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.