Home / 1,326,202,191.78-1,988,872,822.89-440,649,733.38

Finding the Fourth Proportional to 1,326,202,191.78, 1,988,872,822.89 and 440,649,733.38

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Solution

The fourth proportional to 1,326,202,191.78, 1,988,872,822.89 and 440,649,733.38 is: 660,831,571.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,202,191.78 : 1,988,872,822.89 = 440,649,733.38 : x
  2. Step 2: Convert to fraction form
    1,326,202,191.78/1,988,872,822.89 = 440,649,733.38/x
  3. Step 3: Cross multiply
    1,326,202,191.78x = 1,988,872,822.89 × 440,649,733.38
  4. Step 4: Simplify right side
    1,326,202,191.78x = 876,396,279,133,206,528
  5. Step 5: Solve for x
    x = 876,396,279,133,206,528/1,326,202,191.78
  6. Step 6: Final answer
    x = 660,831,571.96

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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.