Home / 28,366,848,646.20-42,550,272,969.30-17,192,699,321.40

Finding the Fourth Proportional to 28,366,848,646.20, 42,550,272,969.30 and 17,192,699,321.40

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Solution

The fourth proportional to 28,366,848,646.20, 42,550,272,969.30 and 17,192,699,321.40 is: 25,789,048,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,848,646.20 : 42,550,272,969.30 = 17,192,699,321.40 : x
  2. Step 2: Convert to fraction form
    28,366,848,646.20/42,550,272,969.30 = 17,192,699,321.40/x
  3. Step 3: Cross multiply
    28,366,848,646.20x = 42,550,272,969.30 × 17,192,699,321.40
  4. Step 4: Simplify right side
    28,366,848,646.20x = 731,554,049,204,668,989,440
  5. Step 5: Solve for x
    x = 731,554,049,204,668,989,440/28,366,848,646.20
  6. Step 6: Final answer
    x = 25,789,048,982.10

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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.