Home / 3,101,493,679.39-4,280,088,593.01-1,691,803,911.61

Finding the Fourth Proportional to 3,101,493,679.39, 4,280,088,593.01 and 1,691,803,911.61

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Solution

The fourth proportional to 3,101,493,679.39, 4,280,088,593.01 and 1,691,803,911.61 is: 2,334,704,298.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,493,679.39 : 4,280,088,593.01 = 1,691,803,911.61 : x
  2. Step 2: Convert to fraction form
    3,101,493,679.39/4,280,088,593.01 = 1,691,803,911.61/x
  3. Step 3: Cross multiply
    3,101,493,679.39x = 4,280,088,593.01 × 1,691,803,911.61
  4. Step 4: Simplify right side
    3,101,493,679.39x = 7,241,070,623,691,659,264
  5. Step 5: Solve for x
    x = 7,241,070,623,691,659,264/3,101,493,679.39
  6. Step 6: Final answer
    x = 2,334,704,298.06

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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.