Home / 5,212,565,998.20-7,818,848,997.30-2,763,685,870.20

Finding the Fourth Proportional to 5,212,565,998.20, 7,818,848,997.30 and 2,763,685,870.20

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Solution

The fourth proportional to 5,212,565,998.20, 7,818,848,997.30 and 2,763,685,870.20 is: 4,145,528,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212,565,998.20 : 7,818,848,997.30 = 2,763,685,870.20 : x
  2. Step 2: Convert to fraction form
    5,212,565,998.20/7,818,848,997.30 = 2,763,685,870.20/x
  3. Step 3: Cross multiply
    5,212,565,998.20x = 7,818,848,997.30 × 2,763,685,870.20
  4. Step 4: Simplify right side
    5,212,565,998.20x = 21,608,842,495,065,448,448
  5. Step 5: Solve for x
    x = 21,608,842,495,065,448,448/5,212,565,998.20
  6. Step 6: Final answer
    x = 4,145,528,805.30

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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.