Home / 20,933,151,033.83-28,890,190,666.74-11,902,262,289.94

Finding the Fourth Proportional to 20,933,151,033.83, 28,890,190,666.74 and 11,902,262,289.94

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Solution

The fourth proportional to 20,933,151,033.83, 28,890,190,666.74 and 11,902,262,289.94 is: 16,426,510,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933,151,033.83 : 28,890,190,666.74 = 11,902,262,289.94 : x
  2. Step 2: Convert to fraction form
    20,933,151,033.83/28,890,190,666.74 = 11,902,262,289.94/x
  3. Step 3: Cross multiply
    20,933,151,033.83x = 28,890,190,666.74 × 11,902,262,289.94
  4. Step 4: Simplify right side
    20,933,151,033.83x = 343,858,626,921,916,071,936
  5. Step 5: Solve for x
    x = 343,858,626,921,916,071,936/20,933,151,033.83
  6. Step 6: Final answer
    x = 16,426,510,579.62

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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.