Home / 490,942,322.63-677,514,768.66-267,938,307.54

Finding the Fourth Proportional to 490,942,322.63, 677,514,768.66 and 267,938,307.54

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Solution

The fourth proportional to 490,942,322.63, 677,514,768.66 and 267,938,307.54 is: 369,762,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,942,322.63 : 677,514,768.66 = 267,938,307.54 : x
  2. Step 2: Convert to fraction form
    490,942,322.63/677,514,768.66 = 267,938,307.54/x
  3. Step 3: Cross multiply
    490,942,322.63x = 677,514,768.66 × 267,938,307.54
  4. Step 4: Simplify right side
    490,942,322.63x = 181,532,160,448,115,008
  5. Step 5: Solve for x
    x = 181,532,160,448,115,008/490,942,322.63
  6. Step 6: Final answer
    x = 369,762,703.44

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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.