Home / 491,191,847.82-677,841,240.47-268,173,522.16

Finding the Fourth Proportional to 491,191,847.82, 677,841,240.47 and 268,173,522.16

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Solution

The fourth proportional to 491,191,847.82, 677,841,240.47 and 268,173,522.16 is: 370,077,544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,191,847.82 : 677,841,240.47 = 268,173,522.16 : x
  2. Step 2: Convert to fraction form
    491,191,847.82/677,841,240.47 = 268,173,522.16/x
  3. Step 3: Cross multiply
    491,191,847.82x = 677,841,240.47 × 268,173,522.16
  4. Step 4: Simplify right side
    491,191,847.82x = 181,779,072,919,107,968
  5. Step 5: Solve for x
    x = 181,779,072,919,107,968/491,191,847.82
  6. Step 6: Final answer
    x = 370,077,544.50

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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.