Home / 10,865,052,114.40-16,297,578,171.60-3,878,090,999.20

Finding the Fourth Proportional to 10,865,052,114.40, 16,297,578,171.60 and 3,878,090,999.20

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Solution

The fourth proportional to 10,865,052,114.40, 16,297,578,171.60 and 3,878,090,999.20 is: 5,817,136,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,052,114.40 : 16,297,578,171.60 = 3,878,090,999.20 : x
  2. Step 2: Convert to fraction form
    10,865,052,114.40/16,297,578,171.60 = 3,878,090,999.20/x
  3. Step 3: Cross multiply
    10,865,052,114.40x = 16,297,578,171.60 × 3,878,090,999.20
  4. Step 4: Simplify right side
    10,865,052,114.40x = 63,203,491,216,040,353,792
  5. Step 5: Solve for x
    x = 63,203,491,216,040,353,792/10,865,052,114.40
  6. Step 6: Final answer
    x = 5,817,136,498.80

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Double scale
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Similar ratio
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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.