Home / 1,069,847,996.20-1,604,771,994.30-897,661,112.20

Finding the Fourth Proportional to 1,069,847,996.20, 1,604,771,994.30 and 897,661,112.20

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Solution

The fourth proportional to 1,069,847,996.20, 1,604,771,994.30 and 897,661,112.20 is: 1,346,491,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,847,996.20 : 1,604,771,994.30 = 897,661,112.20 : x
  2. Step 2: Convert to fraction form
    1,069,847,996.20/1,604,771,994.30 = 897,661,112.20/x
  3. Step 3: Cross multiply
    1,069,847,996.20x = 1,604,771,994.30 × 897,661,112.20
  4. Step 4: Simplify right side
    1,069,847,996.20x = 1,440,541,413,230,750,208
  5. Step 5: Solve for x
    x = 1,440,541,413,230,750,208/1,069,847,996.20
  6. Step 6: Final answer
    x = 1,346,491,668.30

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Half scale
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Double scale
Find fourth proportional to 1,069,847,997.20, 1,604,771,995.80 and 897,661,113.20
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.