Home / 750,144,018.25-1,035,198,745.19-420,119,157.25

Finding the Fourth Proportional to 750,144,018.25, 1,035,198,745.19 and 420,119,157.25

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Solution

The fourth proportional to 750,144,018.25, 1,035,198,745.19 and 420,119,157.25 is: 579,764,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,144,018.25 : 1,035,198,745.19 = 420,119,157.25 : x
  2. Step 2: Convert to fraction form
    750,144,018.25/1,035,198,745.19 = 420,119,157.25/x
  3. Step 3: Cross multiply
    750,144,018.25x = 1,035,198,745.19 × 420,119,157.25
  4. Step 4: Simplify right side
    750,144,018.25x = 434,906,824,415,480,320
  5. Step 5: Solve for x
    x = 434,906,824,415,480,320/750,144,018.25
  6. Step 6: Final answer
    x = 579,764,437.01

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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.