Home / 28,366,860,518.20-42,550,290,777.30-17,192,711,193.40

Finding the Fourth Proportional to 28,366,860,518.20, 42,550,290,777.30 and 17,192,711,193.40

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Solution

The fourth proportional to 28,366,860,518.20, 42,550,290,777.30 and 17,192,711,193.40 is: 25,789,066,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366,860,518.20 : 42,550,290,777.30 = 17,192,711,193.40 : x
  2. Step 2: Convert to fraction form
    28,366,860,518.20/42,550,290,777.30 = 17,192,711,193.40/x
  3. Step 3: Cross multiply
    28,366,860,518.20x = 42,550,290,777.30 × 17,192,711,193.40
  4. Step 4: Simplify right side
    28,366,860,518.20x = 731,554,860,529,310,629,888
  5. Step 5: Solve for x
    x = 731,554,860,529,310,629,888/28,366,860,518.20
  6. Step 6: Final answer
    x = 25,789,066,790.10

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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.