Home / 65,770,076,759.58-90,752,338,677.87-38,308,182,881.40

Finding the Fourth Proportional to 65,770,076,759.58, 90,752,338,677.87 and 38,308,182,881.40

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Solution

The fourth proportional to 65,770,076,759.58, 90,752,338,677.87 and 38,308,182,881.40 is: 52,859,253,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,770,076,759.58 : 90,752,338,677.87 = 38,308,182,881.40 : x
  2. Step 2: Convert to fraction form
    65,770,076,759.58/90,752,338,677.87 = 38,308,182,881.40/x
  3. Step 3: Cross multiply
    65,770,076,759.58x = 90,752,338,677.87 × 38,308,182,881.40
  4. Step 4: Simplify right side
    65,770,076,759.58x = 3,476,557,186,986,517,987,328
  5. Step 5: Solve for x
    x = 3,476,557,186,986,517,987,328/65,770,076,759.58
  6. Step 6: Final answer
    x = 52,859,253,908.05

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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.