Home / 6,310,621,972.80-9,447,793,106.40-3,861,741,844.80

Finding the Fourth Proportional to 6,310,621,972.80, 9,447,793,106.40 and 3,861,741,844.80

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Solution

The fourth proportional to 6,310,621,972.80, 9,447,793,106.40 and 3,861,741,844.80 is: 5,781,512,208.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310,621,972.80 : 9,447,793,106.40 = 3,861,741,844.80 : x
  2. Step 2: Convert to fraction form
    6,310,621,972.80/9,447,793,106.40 = 3,861,741,844.80/x
  3. Step 3: Cross multiply
    6,310,621,972.80x = 9,447,793,106.40 × 3,861,741,844.80
  4. Step 4: Simplify right side
    6,310,621,972.80x = 36,484,937,979,997,859,840
  5. Step 5: Solve for x
    x = 36,484,937,979,997,859,840/6,310,621,972.80
  6. Step 6: Final answer
    x = 5,781,512,208.66

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Double scale
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1.5x scale

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.