Home / 509,973,853.41-703,743,130.13-301,197,584.61

Finding the Fourth Proportional to 509,973,853.41, 703,743,130.13 and 301,197,584.61

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Solution

The fourth proportional to 509,973,853.41, 703,743,130.13 and 301,197,584.61 is: 415,640,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,973,853.41 : 703,743,130.13 = 301,197,584.61 : x
  2. Step 2: Convert to fraction form
    509,973,853.41/703,743,130.13 = 301,197,584.61/x
  3. Step 3: Cross multiply
    509,973,853.41x = 703,743,130.13 × 301,197,584.61
  4. Step 4: Simplify right side
    509,973,853.41x = 211,965,730,979,530,944
  5. Step 5: Solve for x
    x = 211,965,730,979,530,944/509,973,853.41
  6. Step 6: Final answer
    x = 415,640,389.33

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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.