Home / 641,324,680.11-885,064,527.57-359,064,651.51

Finding the Fourth Proportional to 641,324,680.11, 885,064,527.57 and 359,064,651.51

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Solution

The fourth proportional to 641,324,680.11, 885,064,527.57 and 359,064,651.51 is: 495,529,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,324,680.11 : 885,064,527.57 = 359,064,651.51 : x
  2. Step 2: Convert to fraction form
    641,324,680.11/885,064,527.57 = 359,064,651.51/x
  3. Step 3: Cross multiply
    641,324,680.11x = 885,064,527.57 × 359,064,651.51
  4. Step 4: Simplify right side
    641,324,680.11x = 317,795,386,153,989,504
  5. Step 5: Solve for x
    x = 317,795,386,153,989,504/641,324,680.11
  6. Step 6: Final answer
    x = 495,529,637.34

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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.