Home / 3,687,193,208.40-5,530,789,812.60-3,625,971,205.20

Finding the Fourth Proportional to 3,687,193,208.40, 5,530,789,812.60 and 3,625,971,205.20

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Solution

The fourth proportional to 3,687,193,208.40, 5,530,789,812.60 and 3,625,971,205.20 is: 5,438,956,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687,193,208.40 : 5,530,789,812.60 = 3,625,971,205.20 : x
  2. Step 2: Convert to fraction form
    3,687,193,208.40/5,530,789,812.60 = 3,625,971,205.20/x
  3. Step 3: Cross multiply
    3,687,193,208.40x = 5,530,789,812.60 × 3,625,971,205.20
  4. Step 4: Simplify right side
    3,687,193,208.40x = 20,054,484,602,501,103,616
  5. Step 5: Solve for x
    x = 20,054,484,602,501,103,616/3,687,193,208.40
  6. Step 6: Final answer
    x = 5,438,956,807.80

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Half scale
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Double scale
Find fourth proportional to 3,687,193,209.40, 5,530,789,814.10 and 3,625,971,206.20
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.