Home / 28,366,848,643.70-42,550,272,965.55-17,192,699,318.90

Finding the Fourth Proportional to 28,366,848,643.70, 42,550,272,965.55 and 17,192,699,318.90

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Solution

The fourth proportional to 28,366,848,643.70, 42,550,272,965.55 and 17,192,699,318.90 is: 25,789,048,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,848,643.70 : 42,550,272,965.55 = 17,192,699,318.90 : x
  2. Step 2: Convert to fraction form
    28,366,848,643.70/42,550,272,965.55 = 17,192,699,318.90/x
  3. Step 3: Cross multiply
    28,366,848,643.70x = 42,550,272,965.55 × 17,192,699,318.90
  4. Step 4: Simplify right side
    28,366,848,643.70x = 731,554,049,033,820,700,672
  5. Step 5: Solve for x
    x = 731,554,049,033,820,700,672/28,366,848,643.70
  6. Step 6: Final answer
    x = 25,789,048,978.35

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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.