Home / 8,661,565,347.12-11,952,640,114.20-4,701,181,984.56

Finding the Fourth Proportional to 8,661,565,347.12, 11,952,640,114.20 and 4,701,181,984.56

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Solution

The fourth proportional to 8,661,565,347.12, 11,952,640,114.20 and 4,701,181,984.56 is: 6,487,457,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661,565,347.12 : 11,952,640,114.20 = 4,701,181,984.56 : x
  2. Step 2: Convert to fraction form
    8,661,565,347.12/11,952,640,114.20 = 4,701,181,984.56/x
  3. Step 3: Cross multiply
    8,661,565,347.12x = 11,952,640,114.20 × 4,701,181,984.56
  4. Step 4: Simplify right side
    8,661,565,347.12x = 56,191,536,372,806,230,016
  5. Step 5: Solve for x
    x = 56,191,536,372,806,230,016/8,661,565,347.12
  6. Step 6: Final answer
    x = 6,487,457,419.17

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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.