Home / 1,051,822,438.56-1,451,979,889.92-628,585,450.56

Finding the Fourth Proportional to 1,051,822,438.56, 1,451,979,889.92 and 628,585,450.56

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Solution

The fourth proportional to 1,051,822,438.56, 1,451,979,889.92 and 628,585,450.56 is: 867,725,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,822,438.56 : 1,451,979,889.92 = 628,585,450.56 : x
  2. Step 2: Convert to fraction form
    1,051,822,438.56/1,451,979,889.92 = 628,585,450.56/x
  3. Step 3: Cross multiply
    1,051,822,438.56x = 1,451,979,889.92 × 628,585,450.56
  4. Step 4: Simplify right side
    1,051,822,438.56x = 912,693,433,309,422,336
  5. Step 5: Solve for x
    x = 912,693,433,309,422,336/1,051,822,438.56
  6. Step 6: Final answer
    x = 867,725,768.01

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.