Home / 375,624,410.31-518,359,776.75-208,358,939.85

Finding the Fourth Proportional to 375,624,410.31, 518,359,776.75 and 208,358,939.85

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Solution

The fourth proportional to 375,624,410.31, 518,359,776.75 and 208,358,939.85 is: 287,534,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,624,410.31 : 518,359,776.75 = 208,358,939.85 : x
  2. Step 2: Convert to fraction form
    375,624,410.31/518,359,776.75 = 208,358,939.85/x
  3. Step 3: Cross multiply
    375,624,410.31x = 518,359,776.75 × 208,358,939.85
  4. Step 4: Simplify right side
    375,624,410.31x = 108,004,893,544,512,672
  5. Step 5: Solve for x
    x = 108,004,893,544,512,672/375,624,410.31
  6. Step 6: Final answer
    x = 287,534,277.81

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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.