Home / 738,821,315.20-1,107,501,028.80-349,960,662.40

Finding the Fourth Proportional to 738,821,315.20, 1,107,501,028.80 and 349,960,662.40

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Solution

The fourth proportional to 738,821,315.20, 1,107,501,028.80 and 349,960,662.40 is: 524,594,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,821,315.20 : 1,107,501,028.80 = 349,960,662.40 : x
  2. Step 2: Convert to fraction form
    738,821,315.20/1,107,501,028.80 = 349,960,662.40/x
  3. Step 3: Cross multiply
    738,821,315.20x = 1,107,501,028.80 × 349,960,662.40
  4. Step 4: Simplify right side
    738,821,315.20x = 387,581,793,647,529,408
  5. Step 5: Solve for x
    x = 387,581,793,647,529,408/738,821,315.20
  6. Step 6: Final answer
    x = 524,594,764.22

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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.