Home / 376,204,254.45-519,163,073.90-208,940,485.35

Finding the Fourth Proportional to 376,204,254.45, 519,163,073.90 and 208,940,485.35

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Solution

The fourth proportional to 376,204,254.45, 519,163,073.90 and 208,940,485.35 is: 288,338,537.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,204,254.45 : 519,163,073.90 = 208,940,485.35 : x
  2. Step 2: Convert to fraction form
    376,204,254.45/519,163,073.90 = 208,940,485.35/x
  3. Step 3: Cross multiply
    376,204,254.45x = 519,163,073.90 × 208,940,485.35
  4. Step 4: Simplify right side
    376,204,254.45x = 108,474,184,636,463,904
  5. Step 5: Solve for x
    x = 108,474,184,636,463,904/376,204,254.45
  6. Step 6: Final answer
    x = 288,338,537.78

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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.