Home / 629,858,739.40-944,788,109.10-323,748,723.40

Finding the Fourth Proportional to 629,858,739.40, 944,788,109.10 and 323,748,723.40

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Solution

The fourth proportional to 629,858,739.40, 944,788,109.10 and 323,748,723.40 is: 485,623,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,858,739.40 : 944,788,109.10 = 323,748,723.40 : x
  2. Step 2: Convert to fraction form
    629,858,739.40/944,788,109.10 = 323,748,723.40/x
  3. Step 3: Cross multiply
    629,858,739.40x = 944,788,109.10 × 323,748,723.40
  4. Step 4: Simplify right side
    629,858,739.40x = 305,873,944,204,624,896
  5. Step 5: Solve for x
    x = 305,873,944,204,624,896/629,858,739.40
  6. Step 6: Final answer
    x = 485,623,085.10

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1.5x scale

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.