Home / 3,540,692,777.40-5,311,039,166.10-3,438,656,105.40

Finding the Fourth Proportional to 3,540,692,777.40, 5,311,039,166.10 and 3,438,656,105.40

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Solution

The fourth proportional to 3,540,692,777.40, 5,311,039,166.10 and 3,438,656,105.40 is: 5,157,984,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540,692,777.40 : 5,311,039,166.10 = 3,438,656,105.40 : x
  2. Step 2: Convert to fraction form
    3,540,692,777.40/5,311,039,166.10 = 3,438,656,105.40/x
  3. Step 3: Cross multiply
    3,540,692,777.40x = 5,311,039,166.10 × 3,438,656,105.40
  4. Step 4: Simplify right side
    3,540,692,777.40x = 18,262,837,254,528,290,816
  5. Step 5: Solve for x
    x = 18,262,837,254,528,290,816/3,540,692,777.40
  6. Step 6: Final answer
    x = 5,157,984,158.10

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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.