Home / 389,770,823.88-537,751,319.55-222,386,837.91

Finding the Fourth Proportional to 389,770,823.88, 537,751,319.55 and 222,386,837.91

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Solution

The fourth proportional to 389,770,823.88, 537,751,319.55 and 222,386,837.91 is: 306,818,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,770,823.88 : 537,751,319.55 = 222,386,837.91 : x
  2. Step 2: Convert to fraction form
    389,770,823.88/537,751,319.55 = 222,386,837.91/x
  3. Step 3: Cross multiply
    389,770,823.88x = 537,751,319.55 × 222,386,837.91
  4. Step 4: Simplify right side
    389,770,823.88x = 119,588,815,536,654,448
  5. Step 5: Solve for x
    x = 119,588,815,536,654,448/389,770,823.88
  6. Step 6: Final answer
    x = 306,818,284.51

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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.