Home / 491,191,837.88-677,841,226.76-268,173,512.22

Finding the Fourth Proportional to 491,191,837.88, 677,841,226.76 and 268,173,512.22

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Solution

The fourth proportional to 491,191,837.88, 677,841,226.76 and 268,173,512.22 is: 370,077,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,191,837.88 : 677,841,226.76 = 268,173,512.22 : x
  2. Step 2: Convert to fraction form
    491,191,837.88/677,841,226.76 = 268,173,512.22/x
  3. Step 3: Cross multiply
    491,191,837.88x = 677,841,226.76 × 268,173,512.22
  4. Step 4: Simplify right side
    491,191,837.88x = 181,779,062,508,413,088
  5. Step 5: Solve for x
    x = 181,779,062,508,413,088/491,191,837.88
  6. Step 6: Final answer
    x = 370,077,530.79

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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.