Home / 1,425,942,674.43-2,137,404,406.92-479,639,911.92

Finding the Fourth Proportional to 1,425,942,674.43, 2,137,404,406.92 and 479,639,911.92

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Solution

The fourth proportional to 1,425,942,674.43, 2,137,404,406.92 and 479,639,911.92 is: 718,952,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,942,674.43 : 2,137,404,406.92 = 479,639,911.92 : x
  2. Step 2: Convert to fraction form
    1,425,942,674.43/2,137,404,406.92 = 479,639,911.92/x
  3. Step 3: Cross multiply
    1,425,942,674.43x = 2,137,404,406.92 × 479,639,911.92
  4. Step 4: Simplify right side
    1,425,942,674.43x = 1,025,184,461,461,841,664
  5. Step 5: Solve for x
    x = 1,025,184,461,461,841,664/1,425,942,674.43
  6. Step 6: Final answer
    x = 718,952,086.82

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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.