Home / 673,954,908-1,009,115,701.20-440,206,784.88

Finding the Fourth Proportional to 673,954,908, 1,009,115,701.20 and 440,206,784.88

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Solution

The fourth proportional to 673,954,908, 1,009,115,701.20 and 440,206,784.88 is: 659,123,589.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,954,908 : 1,009,115,701.20 = 440,206,784.88 : x
  2. Step 2: Convert to fraction form
    673,954,908/1,009,115,701.20 = 440,206,784.88/x
  3. Step 3: Cross multiply
    673,954,908x = 1,009,115,701.20 × 440,206,784.88
  4. Step 4: Simplify right side
    673,954,908x = 444,219,578,397,178,752
  5. Step 5: Solve for x
    x = 444,219,578,397,178,752/673,954,908
  6. Step 6: Final answer
    x = 659,123,589.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.