Home / 629,777,720.30-944,666,580.45-400,762,078.70

Finding the Fourth Proportional to 629,777,720.30, 944,666,580.45 and 400,762,078.70

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Solution

The fourth proportional to 629,777,720.30, 944,666,580.45 and 400,762,078.70 is: 601,143,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,777,720.30 : 944,666,580.45 = 400,762,078.70 : x
  2. Step 2: Convert to fraction form
    629,777,720.30/944,666,580.45 = 400,762,078.70/x
  3. Step 3: Cross multiply
    629,777,720.30x = 944,666,580.45 × 400,762,078.70
  4. Step 4: Simplify right side
    629,777,720.30x = 378,586,542,459,562,816
  5. Step 5: Solve for x
    x = 378,586,542,459,562,816/629,777,720.30
  6. Step 6: Final answer
    x = 601,143,118.05

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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.