Home / 1,209,061,121.26-1,814,282,783.62-656,408,484.10

Finding the Fourth Proportional to 1,209,061,121.26, 1,814,282,783.62 and 656,408,484.10

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Solution

The fourth proportional to 1,209,061,121.26, 1,814,282,783.62 and 656,408,484.10 is: 984,987,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,061,121.26 : 1,814,282,783.62 = 656,408,484.10 : x
  2. Step 2: Convert to fraction form
    1,209,061,121.26/1,814,282,783.62 = 656,408,484.10/x
  3. Step 3: Cross multiply
    1,209,061,121.26x = 1,814,282,783.62 × 656,408,484.10
  4. Step 4: Simplify right side
    1,209,061,121.26x = 1,190,910,611,724,732,416
  5. Step 5: Solve for x
    x = 1,190,910,611,724,732,416/1,209,061,121.26
  6. Step 6: Final answer
    x = 984,987,930.54

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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.