Home / 5,101,920,147.60-7,652,880,221.40-3,868,410,157.20

Finding the Fourth Proportional to 5,101,920,147.60, 7,652,880,221.40 and 3,868,410,157.20

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Solution

The fourth proportional to 5,101,920,147.60, 7,652,880,221.40 and 3,868,410,157.20 is: 5,802,615,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,920,147.60 : 7,652,880,221.40 = 3,868,410,157.20 : x
  2. Step 2: Convert to fraction form
    5,101,920,147.60/7,652,880,221.40 = 3,868,410,157.20/x
  3. Step 3: Cross multiply
    5,101,920,147.60x = 7,652,880,221.40 × 3,868,410,157.20
  4. Step 4: Simplify right side
    5,101,920,147.60x = 29,604,479,580,298,743,808
  5. Step 5: Solve for x
    x = 29,604,479,580,298,743,808/5,101,920,147.60
  6. Step 6: Final answer
    x = 5,802,615,235.80

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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.