Home / 1,069,847,996.70-1,604,771,995.05-897,661,112.70

Finding the Fourth Proportional to 1,069,847,996.70, 1,604,771,995.05 and 897,661,112.70

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Solution

The fourth proportional to 1,069,847,996.70, 1,604,771,995.05 and 897,661,112.70 is: 1,346,491,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,847,996.70 : 1,604,771,995.05 = 897,661,112.70 : x
  2. Step 2: Convert to fraction form
    1,069,847,996.70/1,604,771,995.05 = 897,661,112.70/x
  3. Step 3: Cross multiply
    1,069,847,996.70x = 1,604,771,995.05 × 897,661,112.70
  4. Step 4: Simplify right side
    1,069,847,996.70x = 1,440,541,414,706,381,824
  5. Step 5: Solve for x
    x = 1,440,541,414,706,381,824/1,069,847,996.70
  6. Step 6: Final answer
    x = 1,346,491,669.05

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Half scale
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Double scale
Find fourth proportional to 1,069,847,997.70, 1,604,771,996.55 and 897,661,113.70
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.