Home / 427,746,857.82-590,275,390.82-242,103,887.70

Finding the Fourth Proportional to 427,746,857.82, 590,275,390.82 and 242,103,887.70

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Solution

The fourth proportional to 427,746,857.82, 590,275,390.82 and 242,103,887.70 is: 334,094,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,746,857.82 : 590,275,390.82 = 242,103,887.70 : x
  2. Step 2: Convert to fraction form
    427,746,857.82/590,275,390.82 = 242,103,887.70/x
  3. Step 3: Cross multiply
    427,746,857.82x = 590,275,390.82 × 242,103,887.70
  4. Step 4: Simplify right side
    427,746,857.82x = 142,907,966,929,948,384
  5. Step 5: Solve for x
    x = 142,907,966,929,948,384/427,746,857.82
  6. Step 6: Final answer
    x = 334,094,720.55

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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.