Home / 509,973,854.41-703,743,131.50-301,197,585.61

Finding the Fourth Proportional to 509,973,854.41, 703,743,131.50 and 301,197,585.61

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Solution

The fourth proportional to 509,973,854.41, 703,743,131.50 and 301,197,585.61 is: 415,640,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,973,854.41 : 703,743,131.50 = 301,197,585.61 : x
  2. Step 2: Convert to fraction form
    509,973,854.41/703,743,131.50 = 301,197,585.61/x
  3. Step 3: Cross multiply
    509,973,854.41x = 703,743,131.50 × 301,197,585.61
  4. Step 4: Simplify right side
    509,973,854.41x = 211,965,732,097,420,736
  5. Step 5: Solve for x
    x = 211,965,732,097,420,736/509,973,854.41
  6. Step 6: Final answer
    x = 415,640,390.71

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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.