Home / 377,166,669.44-520,461,866.64-212,122,352.48

Finding the Fourth Proportional to 377,166,669.44, 520,461,866.64 and 212,122,352.48

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Solution

The fourth proportional to 377,166,669.44, 520,461,866.64 and 212,122,352.48 is: 292,713,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,166,669.44 : 520,461,866.64 = 212,122,352.48 : x
  2. Step 2: Convert to fraction form
    377,166,669.44/520,461,866.64 = 212,122,352.48/x
  3. Step 3: Cross multiply
    377,166,669.44x = 520,461,866.64 × 212,122,352.48
  4. Step 4: Simplify right side
    377,166,669.44x = 110,401,595,527,808,832
  5. Step 5: Solve for x
    x = 110,401,595,527,808,832/377,166,669.44
  6. Step 6: Final answer
    x = 292,713,021.78

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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.