Home / 19,131,055,276.20-28,696,582,914.30-8,811,494,572.20

Finding the Fourth Proportional to 19,131,055,276.20, 28,696,582,914.30 and 8,811,494,572.20

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Solution

The fourth proportional to 19,131,055,276.20, 28,696,582,914.30 and 8,811,494,572.20 is: 13,217,241,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131,055,276.20 : 28,696,582,914.30 = 8,811,494,572.20 : x
  2. Step 2: Convert to fraction form
    19,131,055,276.20/28,696,582,914.30 = 8,811,494,572.20/x
  3. Step 3: Cross multiply
    19,131,055,276.20x = 28,696,582,914.30 × 8,811,494,572.20
  4. Step 4: Simplify right side
    19,131,055,276.20x = 252,859,784,590,041,710,592
  5. Step 5: Solve for x
    x = 252,859,784,590,041,710,592/19,131,055,276.20
  6. Step 6: Final answer
    x = 13,217,241,858.30

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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.