Home / 377,125,225.15-520,478,117.43-228,441,983.68

Finding the Fourth Proportional to 377,125,225.15, 520,478,117.43 and 228,441,983.68

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Solution

The fourth proportional to 377,125,225.15, 520,478,117.43 and 228,441,983.68 is: 315,277,381.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,125,225.15 : 520,478,117.43 = 228,441,983.68 : x
  2. Step 2: Convert to fraction form
    377,125,225.15/520,478,117.43 = 228,441,983.68/x
  3. Step 3: Cross multiply
    377,125,225.15x = 520,478,117.43 × 228,441,983.68
  4. Step 4: Simplify right side
    377,125,225.15x = 118,899,053,607,741,184
  5. Step 5: Solve for x
    x = 118,899,053,607,741,184/377,125,225.15
  6. Step 6: Final answer
    x = 315,277,381.83

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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.