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Finding the Fourth Proportional to 11,190,499,802.20, 15,689,632,080.20 and 11,190,499,802.20

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Solution

The fourth proportional to 11,190,499,802.20, 15,689,632,080.20 and 11,190,499,802.20 is: 15,689,632,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190,499,802.20 : 15,689,632,080.20 = 11,190,499,802.20 : x
  2. Step 2: Convert to fraction form
    11,190,499,802.20/15,689,632,080.20 = 11,190,499,802.20/x
  3. Step 3: Cross multiply
    11,190,499,802.20x = 15,689,632,080.20 × 11,190,499,802.20
  4. Step 4: Simplify right side
    11,190,499,802.20x = 175,574,824,690,068,881,408
  5. Step 5: Solve for x
    x = 175,574,824,690,068,881,408/11,190,499,802.20
  6. Step 6: Final answer
    x = 15,689,632,080.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.