Home / 468,404,358.72-646,401,866.13-259,563,989.04

Finding the Fourth Proportional to 468,404,358.72, 646,401,866.13 and 259,563,989.04

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Solution

The fourth proportional to 468,404,358.72, 646,401,866.13 and 259,563,989.04 is: 358,200,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,404,358.72 : 646,401,866.13 = 259,563,989.04 : x
  2. Step 2: Convert to fraction form
    468,404,358.72/646,401,866.13 = 259,563,989.04/x
  3. Step 3: Cross multiply
    468,404,358.72x = 646,401,866.13 × 259,563,989.04
  4. Step 4: Simplify right side
    468,404,358.72x = 167,782,646,895,602,848
  5. Step 5: Solve for x
    x = 167,782,646,895,602,848/468,404,358.72
  6. Step 6: Final answer
    x = 358,200,438.94

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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.