Home / 18,622,591,861.72-25,732,793,350.04-13,260,843,631.74

Finding the Fourth Proportional to 18,622,591,861.72, 25,732,793,350.04 and 13,260,843,631.74

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Solution

The fourth proportional to 18,622,591,861.72, 25,732,793,350.04 and 13,260,843,631.74 is: 18,323,902,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622,591,861.72 : 25,732,793,350.04 = 13,260,843,631.74 : x
  2. Step 2: Convert to fraction form
    18,622,591,861.72/25,732,793,350.04 = 13,260,843,631.74/x
  3. Step 3: Cross multiply
    18,622,591,861.72x = 25,732,793,350.04 × 13,260,843,631.74
  4. Step 4: Simplify right side
    18,622,591,861.72x = 341,238,548,822,759,374,848
  5. Step 5: Solve for x
    x = 341,238,548,822,759,374,848/18,622,591,861.72
  6. Step 6: Final answer
    x = 18,323,902,030.21

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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.