Home / 387,871,577.44-535,274,080.92-211,670,922.42

Finding the Fourth Proportional to 387,871,577.44, 535,274,080.92 and 211,670,922.42

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Solution

The fourth proportional to 387,871,577.44, 535,274,080.92 and 211,670,922.42 is: 292,112,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,871,577.44 : 535,274,080.92 = 211,670,922.42 : x
  2. Step 2: Convert to fraction form
    387,871,577.44/535,274,080.92 = 211,670,922.42/x
  3. Step 3: Cross multiply
    387,871,577.44x = 535,274,080.92 × 211,670,922.42
  4. Step 4: Simplify right side
    387,871,577.44x = 113,301,958,455,854,112
  5. Step 5: Solve for x
    x = 113,301,958,455,854,112/387,871,577.44
  6. Step 6: Final answer
    x = 292,112,041.84

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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.