Home / 398,929,623,938.32-598,270,675,274.08-143,925,857,399.62

Finding the Fourth Proportional to 398,929,623,938.32, 598,270,675,274.08 and 143,925,857,399.62

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Solution

The fourth proportional to 398,929,623,938.32, 598,270,675,274.08 and 143,925,857,399.62 is: 215,844,135,729.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,929,623,938.32 : 598,270,675,274.08 = 143,925,857,399.62 : x
  2. Step 2: Convert to fraction form
    398,929,623,938.32/598,270,675,274.08 = 143,925,857,399.62/x
  3. Step 3: Cross multiply
    398,929,623,938.32x = 598,270,675,274.08 × 143,925,857,399.62
  4. Step 4: Simplify right side
    398,929,623,938.32x = 86,106,619,895,871,589,842,944
  5. Step 5: Solve for x
    x = 86,106,619,895,871,589,842,944/398,929,623,938.32
  6. Step 6: Final answer
    x = 215,844,135,729.53

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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.