Home / 490,733,907.57-677,201,892.80-270,717,275.25

Finding the Fourth Proportional to 490,733,907.57, 677,201,892.80 and 270,717,275.25

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Solution

The fourth proportional to 490,733,907.57, 677,201,892.80 and 270,717,275.25 is: 373,583,826.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,733,907.57 : 677,201,892.80 = 270,717,275.25 : x
  2. Step 2: Convert to fraction form
    490,733,907.57/677,201,892.80 = 270,717,275.25/x
  3. Step 3: Cross multiply
    490,733,907.57x = 677,201,892.80 × 270,717,275.25
  4. Step 4: Simplify right side
    490,733,907.57x = 183,330,251,211,604,992
  5. Step 5: Solve for x
    x = 183,330,251,211,604,992/490,733,907.57
  6. Step 6: Final answer
    x = 373,583,826.97

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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.