Home / 557,850,520.16-836,517,204.64-208,002,653.73

Finding the Fourth Proportional to 557,850,520.16, 836,517,204.64 and 208,002,653.73

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Solution

The fourth proportional to 557,850,520.16, 836,517,204.64 and 208,002,653.73 is: 311,907,566.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,850,520.16 : 836,517,204.64 = 208,002,653.73 : x
  2. Step 2: Convert to fraction form
    557,850,520.16/836,517,204.64 = 208,002,653.73/x
  3. Step 3: Cross multiply
    557,850,520.16x = 836,517,204.64 × 208,002,653.73
  4. Step 4: Simplify right side
    557,850,520.16x = 173,997,798,455,921,472
  5. Step 5: Solve for x
    x = 173,997,798,455,921,472/557,850,520.16
  6. Step 6: Final answer
    x = 311,907,566.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.