Home / 414,401,688.72-571,871,421.24-226,229,982.57

Finding the Fourth Proportional to 414,401,688.72, 571,871,421.24 and 226,229,982.57

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Solution

The fourth proportional to 414,401,688.72, 571,871,421.24 and 226,229,982.57 is: 312,195,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,401,688.72 : 571,871,421.24 = 226,229,982.57 : x
  2. Step 2: Convert to fraction form
    414,401,688.72/571,871,421.24 = 226,229,982.57/x
  3. Step 3: Cross multiply
    414,401,688.72x = 571,871,421.24 × 226,229,982.57
  4. Step 4: Simplify right side
    414,401,688.72x = 129,374,461,661,658,592
  5. Step 5: Solve for x
    x = 129,374,461,661,658,592/414,401,688.72
  6. Step 6: Final answer
    x = 312,195,787.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.