Home / 380,117,020.32-524,561,492.52-206,276,764.32

Finding the Fourth Proportional to 380,117,020.32, 524,561,492.52 and 206,276,764.32

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Solution

The fourth proportional to 380,117,020.32, 524,561,492.52 and 206,276,764.32 is: 284,661,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,117,020.32 : 524,561,492.52 = 206,276,764.32 : x
  2. Step 2: Convert to fraction form
    380,117,020.32/524,561,492.52 = 206,276,764.32/x
  3. Step 3: Cross multiply
    380,117,020.32x = 524,561,492.52 × 206,276,764.32
  4. Step 4: Simplify right side
    380,117,020.32x = 108,204,847,363,895,472
  5. Step 5: Solve for x
    x = 108,204,847,363,895,472/380,117,020.32
  6. Step 6: Final answer
    x = 284,661,937.19

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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.