Home / 942,463,029.92-1,300,608,016.92-519,086,289.56

Finding the Fourth Proportional to 942,463,029.92, 1,300,608,016.92 and 519,086,289.56

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Solution

The fourth proportional to 942,463,029.92, 1,300,608,016.92 and 519,086,289.56 is: 716,344,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,463,029.92 : 1,300,608,016.92 = 519,086,289.56 : x
  2. Step 2: Convert to fraction form
    942,463,029.92/1,300,608,016.92 = 519,086,289.56/x
  3. Step 3: Cross multiply
    942,463,029.92x = 1,300,608,016.92 × 519,086,289.56
  4. Step 4: Simplify right side
    942,463,029.92x = 675,127,789,668,489,472
  5. Step 5: Solve for x
    x = 675,127,789,668,489,472/942,463,029.92
  6. Step 6: Final answer
    x = 716,344,056.20

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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.