Home / 945,164,610.88-1,304,399,277.36-521,859,880.56

Finding the Fourth Proportional to 945,164,610.88, 1,304,399,277.36 and 521,859,880.56

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Solution

The fourth proportional to 945,164,610.88, 1,304,399,277.36 and 521,859,880.56 is: 720,206,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,164,610.88 : 1,304,399,277.36 = 521,859,880.56 : x
  2. Step 2: Convert to fraction form
    945,164,610.88/1,304,399,277.36 = 521,859,880.56/x
  3. Step 3: Cross multiply
    945,164,610.88x = 1,304,399,277.36 × 521,859,880.56
  4. Step 4: Simplify right side
    945,164,610.88x = 680,713,651,085,639,808
  5. Step 5: Solve for x
    x = 680,713,651,085,639,808/945,164,610.88
  6. Step 6: Final answer
    x = 720,206,452.14

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1.5x scale

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.