Home / 377,125,220.71-520,478,111.30-228,441,979.24

Finding the Fourth Proportional to 377,125,220.71, 520,478,111.30 and 228,441,979.24

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Solution

The fourth proportional to 377,125,220.71, 520,478,111.30 and 228,441,979.24 is: 315,277,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,125,220.71 : 520,478,111.30 = 228,441,979.24 : x
  2. Step 2: Convert to fraction form
    377,125,220.71/520,478,111.30 = 228,441,979.24/x
  3. Step 3: Cross multiply
    377,125,220.71x = 520,478,111.30 × 228,441,979.24
  4. Step 4: Simplify right side
    377,125,220.71x = 118,899,049,893,866,624
  5. Step 5: Solve for x
    x = 118,899,049,893,866,624/377,125,220.71
  6. Step 6: Final answer
    x = 315,277,375.70

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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.