Home / 522,296,634.12-720,769,322.16-287,342,254.14

Finding the Fourth Proportional to 522,296,634.12, 720,769,322.16 and 287,342,254.14

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Solution

The fourth proportional to 522,296,634.12, 720,769,322.16 and 287,342,254.14 is: 396,532,292.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,296,634.12 : 720,769,322.16 = 287,342,254.14 : x
  2. Step 2: Convert to fraction form
    522,296,634.12/720,769,322.16 = 287,342,254.14/x
  3. Step 3: Cross multiply
    522,296,634.12x = 720,769,322.16 × 287,342,254.14
  4. Step 4: Simplify right side
    522,296,634.12x = 207,107,481,744,414,240
  5. Step 5: Solve for x
    x = 207,107,481,744,414,240/522,296,634.12
  6. Step 6: Final answer
    x = 396,532,292.60

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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.