Home / 1,542,840,191.40-2,129,083,249.53-907,801,815.38

Finding the Fourth Proportional to 1,542,840,191.40, 2,129,083,249.53 and 907,801,815.38

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Solution

The fourth proportional to 1,542,840,191.40, 2,129,083,249.53 and 907,801,815.38 is: 1,252,745,196.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,840,191.40 : 2,129,083,249.53 = 907,801,815.38 : x
  2. Step 2: Convert to fraction form
    1,542,840,191.40/2,129,083,249.53 = 907,801,815.38/x
  3. Step 3: Cross multiply
    1,542,840,191.40x = 2,129,083,249.53 × 907,801,815.38
  4. Step 4: Simplify right side
    1,542,840,191.40x = 1,932,785,639,007,838,208
  5. Step 5: Solve for x
    x = 1,932,785,639,007,838,208/1,542,840,191.40
  6. Step 6: Final answer
    x = 1,252,745,196.67

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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.