Home / 443,973,821.82-666,190,360.17-322,156,473.54

Finding the Fourth Proportional to 443,973,821.82, 666,190,360.17 and 322,156,473.54

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Solution

The fourth proportional to 443,973,821.82, 666,190,360.17 and 322,156,473.54 is: 483,401,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,973,821.82 : 666,190,360.17 = 322,156,473.54 : x
  2. Step 2: Convert to fraction form
    443,973,821.82/666,190,360.17 = 322,156,473.54/x
  3. Step 3: Cross multiply
    443,973,821.82x = 666,190,360.17 × 322,156,473.54
  4. Step 4: Simplify right side
    443,973,821.82x = 214,617,537,138,709,664
  5. Step 5: Solve for x
    x = 214,617,537,138,709,664/443,973,821.82
  6. Step 6: Final answer
    x = 483,401,332.67

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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.