Home / 11,521,705,089.47-15,902,510,893.67-7,004,624,321.03

Finding the Fourth Proportional to 11,521,705,089.47, 15,902,510,893.67 and 7,004,624,321.03

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Solution

The fourth proportional to 11,521,705,089.47, 15,902,510,893.67 and 7,004,624,321.03 is: 9,667,936,621.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521,705,089.47 : 15,902,510,893.67 = 7,004,624,321.03 : x
  2. Step 2: Convert to fraction form
    11,521,705,089.47/15,902,510,893.67 = 7,004,624,321.03/x
  3. Step 3: Cross multiply
    11,521,705,089.47x = 15,902,510,893.67 × 7,004,624,321.03
  4. Step 4: Simplify right side
    11,521,705,089.47x = 111,391,114,571,210,375,168
  5. Step 5: Solve for x
    x = 111,391,114,571,210,375,168/11,521,705,089.47
  6. Step 6: Final answer
    x = 9,667,936,621.03

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Double scale
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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.