Home / 866,600,453.49-1,300,741,260.27-418,219,386.96

Finding the Fourth Proportional to 866,600,453.49, 1,300,741,260.27 and 418,219,386.96

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Solution

The fourth proportional to 866,600,453.49, 1,300,741,260.27 and 418,219,386.96 is: 627,734,742.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,600,453.49 : 1,300,741,260.27 = 418,219,386.96 : x
  2. Step 2: Convert to fraction form
    866,600,453.49/1,300,741,260.27 = 418,219,386.96/x
  3. Step 3: Cross multiply
    866,600,453.49x = 1,300,741,260.27 × 418,219,386.96
  4. Step 4: Simplify right side
    866,600,453.49x = 543,995,212,466,795,840
  5. Step 5: Solve for x
    x = 543,995,212,466,795,840/866,600,453.49
  6. Step 6: Final answer
    x = 627,734,742.44

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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.