Home / 397,844,099.10-545,048,360.40-382,932,997.62

Finding the Fourth Proportional to 397,844,099.10, 545,048,360.40 and 382,932,997.62

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Solution

The fourth proportional to 397,844,099.10, 545,048,360.40 and 382,932,997.62 is: 524,620,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,844,099.10 : 545,048,360.40 = 382,932,997.62 : x
  2. Step 2: Convert to fraction form
    397,844,099.10/545,048,360.40 = 382,932,997.62/x
  3. Step 3: Cross multiply
    397,844,099.10x = 545,048,360.40 × 382,932,997.62
  4. Step 4: Simplify right side
    397,844,099.10x = 208,717,002,495,838,080
  5. Step 5: Solve for x
    x = 208,717,002,495,838,080/397,844,099.10
  6. Step 6: Final answer
    x = 524,620,078.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.