Home / 28,366,848,015.20-42,550,272,022.80-17,192,698,690.40

Finding the Fourth Proportional to 28,366,848,015.20, 42,550,272,022.80 and 17,192,698,690.40

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Solution

The fourth proportional to 28,366,848,015.20, 42,550,272,022.80 and 17,192,698,690.40 is: 25,789,048,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,848,015.20 : 42,550,272,022.80 = 17,192,698,690.40 : x
  2. Step 2: Convert to fraction form
    28,366,848,015.20/42,550,272,022.80 = 17,192,698,690.40/x
  3. Step 3: Cross multiply
    28,366,848,015.20x = 42,550,272,022.80 × 17,192,698,690.40
  4. Step 4: Simplify right side
    28,366,848,015.20x = 731,554,006,082,557,444,096
  5. Step 5: Solve for x
    x = 731,554,006,082,557,444,096/28,366,848,015.20
  6. Step 6: Final answer
    x = 25,789,048,035.60

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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.