Home / 523,346,440.15-722,222,863.82-288,405,530.29

Finding the Fourth Proportional to 523,346,440.15, 722,222,863.82 and 288,405,530.29

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Solution

The fourth proportional to 523,346,440.15, 722,222,863.82 and 288,405,530.29 is: 398,002,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,346,440.15 : 722,222,863.82 = 288,405,530.29 : x
  2. Step 2: Convert to fraction form
    523,346,440.15/722,222,863.82 = 288,405,530.29/x
  3. Step 3: Cross multiply
    523,346,440.15x = 722,222,863.82 × 288,405,530.29
  4. Step 4: Simplify right side
    523,346,440.15x = 208,293,068,027,569,600
  5. Step 5: Solve for x
    x = 208,293,068,027,569,600/523,346,440.15
  6. Step 6: Final answer
    x = 398,002,263.98

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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.