Home / 738,821,317.70-1,107,501,032.55-349,960,664.90

Finding the Fourth Proportional to 738,821,317.70, 1,107,501,032.55 and 349,960,664.90

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Solution

The fourth proportional to 738,821,317.70, 1,107,501,032.55 and 349,960,664.90 is: 524,594,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,821,317.70 : 1,107,501,032.55 = 349,960,664.90 : x
  2. Step 2: Convert to fraction form
    738,821,317.70/1,107,501,032.55 = 349,960,664.90/x
  3. Step 3: Cross multiply
    738,821,317.70x = 1,107,501,032.55 × 349,960,664.90
  4. Step 4: Simplify right side
    738,821,317.70x = 387,581,797,728,634,496
  5. Step 5: Solve for x
    x = 387,581,797,728,634,496/738,821,317.70
  6. Step 6: Final answer
    x = 524,594,767.97

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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.