Home / 673,583,238.12-929,534,976.03-376,229,819.76

Finding the Fourth Proportional to 673,583,238.12, 929,534,976.03 and 376,229,819.76

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Solution

The fourth proportional to 673,583,238.12, 929,534,976.03 and 376,229,819.76 is: 519,191,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,583,238.12 : 929,534,976.03 = 376,229,819.76 : x
  2. Step 2: Convert to fraction form
    673,583,238.12/929,534,976.03 = 376,229,819.76/x
  3. Step 3: Cross multiply
    673,583,238.12x = 929,534,976.03 × 376,229,819.76
  4. Step 4: Simplify right side
    673,583,238.12x = 349,718,776,492,382,784
  5. Step 5: Solve for x
    x = 349,718,776,492,382,784/673,583,238.12
  6. Step 6: Final answer
    x = 519,191,625.77

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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.