Home / 7,029,611,709.21-9,700,222,972.91-4,171,261,364.55

Finding the Fourth Proportional to 7,029,611,709.21, 9,700,222,972.91 and 4,171,261,364.55

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Solution

The fourth proportional to 7,029,611,709.21, 9,700,222,972.91 and 4,171,261,364.55 is: 5,755,960,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029,611,709.21 : 9,700,222,972.91 = 4,171,261,364.55 : x
  2. Step 2: Convert to fraction form
    7,029,611,709.21/9,700,222,972.91 = 4,171,261,364.55/x
  3. Step 3: Cross multiply
    7,029,611,709.21x = 9,700,222,972.91 × 4,171,261,364.55
  4. Step 4: Simplify right side
    7,029,611,709.21x = 40,462,165,314,398,969,856
  5. Step 5: Solve for x
    x = 40,462,165,314,398,969,856/7,029,611,709.21
  6. Step 6: Final answer
    x = 5,755,960,213.48

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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.