Home / 448,130,365.21-618,463,989.96-271,904,529.61

Finding the Fourth Proportional to 448,130,365.21, 618,463,989.96 and 271,904,529.61

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Solution

The fourth proportional to 448,130,365.21, 618,463,989.96 and 271,904,529.61 is: 375,255,000.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,130,365.21 : 618,463,989.96 = 271,904,529.61 : x
  2. Step 2: Convert to fraction form
    448,130,365.21/618,463,989.96 = 271,904,529.61/x
  3. Step 3: Cross multiply
    448,130,365.21x = 618,463,989.96 × 271,904,529.61
  4. Step 4: Simplify right side
    448,130,365.21x = 168,163,160,270,797,568
  5. Step 5: Solve for x
    x = 168,163,160,270,797,568/448,130,365.21
  6. Step 6: Final answer
    x = 375,255,000.16

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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.