Home / 647,255,021.72-893,454,832.14-424,251,074.52

Finding the Fourth Proportional to 647,255,021.72, 893,454,832.14 and 424,251,074.52

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Solution

The fourth proportional to 647,255,021.72, 893,454,832.14 and 424,251,074.52 is: 585,625,695.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,255,021.72 : 893,454,832.14 = 424,251,074.52 : x
  2. Step 2: Convert to fraction form
    647,255,021.72/893,454,832.14 = 424,251,074.52/x
  3. Step 3: Cross multiply
    647,255,021.72x = 893,454,832.14 × 424,251,074.52
  4. Step 4: Simplify right side
    647,255,021.72x = 379,049,172,570,481,216
  5. Step 5: Solve for x
    x = 379,049,172,570,481,216/647,255,021.72
  6. Step 6: Final answer
    x = 585,625,695.98

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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.