Home / 38,745,902,942.64-53,469,344,014.32-20,924,558,731.44

Finding the Fourth Proportional to 38,745,902,942.64, 53,469,344,014.32 and 20,924,558,731.44

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Solution

The fourth proportional to 38,745,902,942.64, 53,469,344,014.32 and 20,924,558,731.44 is: 28,875,889,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,745,902,942.64 : 53,469,344,014.32 = 20,924,558,731.44 : x
  2. Step 2: Convert to fraction form
    38,745,902,942.64/53,469,344,014.32 = 20,924,558,731.44/x
  3. Step 3: Cross multiply
    38,745,902,942.64x = 53,469,344,014.32 × 20,924,558,731.44
  4. Step 4: Simplify right side
    38,745,902,942.64x = 1,118,822,429,159,208,517,632
  5. Step 5: Solve for x
    x = 1,118,822,429,159,208,517,632/38,745,902,942.64
  6. Step 6: Final answer
    x = 28,875,889,944.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.