Home / 550,416,855.12-759,565,435.44-299,512,690.32

Finding the Fourth Proportional to 550,416,855.12, 759,565,435.44 and 299,512,690.32

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Solution

The fourth proportional to 550,416,855.12, 759,565,435.44 and 299,512,690.32 is: 413,322,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,416,855.12 : 759,565,435.44 = 299,512,690.32 : x
  2. Step 2: Convert to fraction form
    550,416,855.12/759,565,435.44 = 299,512,690.32/x
  3. Step 3: Cross multiply
    550,416,855.12x = 759,565,435.44 × 299,512,690.32
  4. Step 4: Simplify right side
    550,416,855.12x = 227,499,487,042,716,672
  5. Step 5: Solve for x
    x = 227,499,487,042,716,672/550,416,855.12
  6. Step 6: Final answer
    x = 413,322,166.51

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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.