Home / 8,434,558,588.39-11,639,438,845.77-4,623,951,242.86

Finding the Fourth Proportional to 8,434,558,588.39, 11,639,438,845.77 and 4,623,951,242.86

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Solution

The fourth proportional to 8,434,558,588.39, 11,639,438,845.77 and 4,623,951,242.86 is: 6,380,914,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434,558,588.39 : 11,639,438,845.77 = 4,623,951,242.86 : x
  2. Step 2: Convert to fraction form
    8,434,558,588.39/11,639,438,845.77 = 4,623,951,242.86/x
  3. Step 3: Cross multiply
    8,434,558,588.39x = 11,639,438,845.77 × 4,623,951,242.86
  4. Step 4: Simplify right side
    8,434,558,588.39x = 53,820,197,717,091,155,968
  5. Step 5: Solve for x
    x = 53,820,197,717,091,155,968/8,434,558,588.39
  6. Step 6: Final answer
    x = 6,380,914,561.57

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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.