Home / 376,104,094.72-561,623,535.51-307,153,776.86

Finding the Fourth Proportional to 376,104,094.72, 561,623,535.51 and 307,153,776.86

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Solution

The fourth proportional to 376,104,094.72, 561,623,535.51 and 307,153,776.86 is: 458,662,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,104,094.72 : 561,623,535.51 = 307,153,776.86 : x
  2. Step 2: Convert to fraction form
    376,104,094.72/561,623,535.51 = 307,153,776.86/x
  3. Step 3: Cross multiply
    376,104,094.72x = 561,623,535.51 × 307,153,776.86
  4. Step 4: Simplify right side
    376,104,094.72x = 172,504,790,103,508,960
  5. Step 5: Solve for x
    x = 172,504,790,103,508,960/376,104,094.72
  6. Step 6: Final answer
    x = 458,662,355.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.