Home / 387,747,218.97-535,088,622.78-220,483,492.83

Finding the Fourth Proportional to 387,747,218.97, 535,088,622.78 and 220,483,492.83

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Solution

The fourth proportional to 387,747,218.97, 535,088,622.78 and 220,483,492.83 is: 304,265,776.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,747,218.97 : 535,088,622.78 = 220,483,492.83 : x
  2. Step 2: Convert to fraction form
    387,747,218.97/535,088,622.78 = 220,483,492.83/x
  3. Step 3: Cross multiply
    387,747,218.97x = 535,088,622.78 × 220,483,492.83
  4. Step 4: Simplify right side
    387,747,218.97x = 117,978,208,524,128,704
  5. Step 5: Solve for x
    x = 117,978,208,524,128,704/387,747,218.97
  6. Step 6: Final answer
    x = 304,265,776.14

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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.