Home / 380,108,475.94-524,549,696.79-206,268,219.94

Finding the Fourth Proportional to 380,108,475.94, 524,549,696.79 and 206,268,219.94

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Solution

The fourth proportional to 380,108,475.94, 524,549,696.79 and 206,268,219.94 is: 284,650,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,108,475.94 : 524,549,696.79 = 206,268,219.94 : x
  2. Step 2: Convert to fraction form
    380,108,475.94/524,549,696.79 = 206,268,219.94/x
  3. Step 3: Cross multiply
    380,108,475.94x = 524,549,696.79 × 206,268,219.94
  4. Step 4: Simplify right side
    380,108,475.94x = 108,197,932,226,402,160
  5. Step 5: Solve for x
    x = 108,197,932,226,402,160/380,108,475.94
  6. Step 6: Final answer
    x = 284,650,143.51

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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.