Home / 377,735,268.42-521,276,738.20-219,059,470.48

Finding the Fourth Proportional to 377,735,268.42, 521,276,738.20 and 219,059,470.48

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Solution

The fourth proportional to 377,735,268.42, 521,276,738.20 and 219,059,470.48 is: 302,303,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,735,268.42 : 521,276,738.20 = 219,059,470.48 : x
  2. Step 2: Convert to fraction form
    377,735,268.42/521,276,738.20 = 219,059,470.48/x
  3. Step 3: Cross multiply
    377,735,268.42x = 521,276,738.20 × 219,059,470.48
  4. Step 4: Simplify right side
    377,735,268.42x = 114,190,606,243,633,584
  5. Step 5: Solve for x
    x = 114,190,606,243,633,584/377,735,268.42
  6. Step 6: Final answer
    x = 302,303,268.43

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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.