Home / 912,028,038.73-1,258,600,548.05-494,340,606.97

Finding the Fourth Proportional to 912,028,038.73, 1,258,600,548.05 and 494,340,606.97

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Solution

The fourth proportional to 912,028,038.73, 1,258,600,548.05 and 494,340,606.97 is: 682,191,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,028,038.73 : 1,258,600,548.05 = 494,340,606.97 : x
  2. Step 2: Convert to fraction form
    912,028,038.73/1,258,600,548.05 = 494,340,606.97/x
  3. Step 3: Cross multiply
    912,028,038.73x = 1,258,600,548.05 × 494,340,606.97
  4. Step 4: Simplify right side
    912,028,038.73x = 622,177,358,857,711,744
  5. Step 5: Solve for x
    x = 622,177,358,857,711,744/912,028,038.73
  6. Step 6: Final answer
    x = 682,191,042.86

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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.