Home / 770,728,961.34-1,063,606,993.47-418,304,952.18

Finding the Fourth Proportional to 770,728,961.34, 1,063,606,993.47 and 418,304,952.18

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Solution

The fourth proportional to 770,728,961.34, 1,063,606,993.47 and 418,304,952.18 is: 577,261,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,728,961.34 : 1,063,606,993.47 = 418,304,952.18 : x
  2. Step 2: Convert to fraction form
    770,728,961.34/1,063,606,993.47 = 418,304,952.18/x
  3. Step 3: Cross multiply
    770,728,961.34x = 1,063,606,993.47 × 418,304,952.18
  4. Step 4: Simplify right side
    770,728,961.34x = 444,912,072,541,781,952
  5. Step 5: Solve for x
    x = 444,912,072,541,781,952/770,728,961.34
  6. Step 6: Final answer
    x = 577,261,391.30

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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.