Home / 1,263,276,069.70-1,894,914,104.55-445,116,453.70

Finding the Fourth Proportional to 1,263,276,069.70, 1,894,914,104.55 and 445,116,453.70

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Solution

The fourth proportional to 1,263,276,069.70, 1,894,914,104.55 and 445,116,453.70 is: 667,674,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,276,069.70 : 1,894,914,104.55 = 445,116,453.70 : x
  2. Step 2: Convert to fraction form
    1,263,276,069.70/1,894,914,104.55 = 445,116,453.70/x
  3. Step 3: Cross multiply
    1,263,276,069.70x = 1,894,914,104.55 × 445,116,453.70
  4. Step 4: Simplify right side
    1,263,276,069.70x = 843,457,446,283,406,976
  5. Step 5: Solve for x
    x = 843,457,446,283,406,976/1,263,276,069.70
  6. Step 6: Final answer
    x = 667,674,680.55

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Half scale
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Double scale
Find fourth proportional to 1,263,276,070.70, 1,894,914,106.05 and 445,116,454.70
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.