Home / 28,366,848,661.20-42,550,272,991.80-17,192,699,336.40

Finding the Fourth Proportional to 28,366,848,661.20, 42,550,272,991.80 and 17,192,699,336.40

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Solution

The fourth proportional to 28,366,848,661.20, 42,550,272,991.80 and 17,192,699,336.40 is: 25,789,049,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,848,661.20 : 42,550,272,991.80 = 17,192,699,336.40 : x
  2. Step 2: Convert to fraction form
    28,366,848,661.20/42,550,272,991.80 = 17,192,699,336.40/x
  3. Step 3: Cross multiply
    28,366,848,661.20x = 42,550,272,991.80 × 17,192,699,336.40
  4. Step 4: Simplify right side
    28,366,848,661.20x = 731,554,050,229,758,853,120
  5. Step 5: Solve for x
    x = 731,554,050,229,758,853,120/28,366,848,661.20
  6. Step 6: Final answer
    x = 25,789,049,004.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.