Home / 487,485,934.93-672,731,894.13-264,467,616.55

Finding the Fourth Proportional to 487,485,934.93, 672,731,894.13 and 264,467,616.55

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Solution

The fourth proportional to 487,485,934.93, 672,731,894.13 and 264,467,616.55 is: 364,966,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,485,934.93 : 672,731,894.13 = 264,467,616.55 : x
  2. Step 2: Convert to fraction form
    487,485,934.93/672,731,894.13 = 264,467,616.55/x
  3. Step 3: Cross multiply
    487,485,934.93x = 672,731,894.13 × 264,467,616.55
  4. Step 4: Simplify right side
    487,485,934.93x = 177,915,800,619,945,952
  5. Step 5: Solve for x
    x = 177,915,800,619,945,952/487,485,934.93
  6. Step 6: Final answer
    x = 364,966,018.24

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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.