Home / 6,218,685,217.76-9,328,027,827.36-2,078,128,741.76

Finding the Fourth Proportional to 6,218,685,217.76, 9,328,027,827.36 and 2,078,128,741.76

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Solution

The fourth proportional to 6,218,685,217.76, 9,328,027,827.36 and 2,078,128,741.76 is: 3,117,193,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218,685,217.76 : 9,328,027,827.36 = 2,078,128,741.76 : x
  2. Step 2: Convert to fraction form
    6,218,685,217.76/9,328,027,827.36 = 2,078,128,741.76/x
  3. Step 3: Cross multiply
    6,218,685,217.76x = 9,328,027,827.36 × 2,078,128,741.76
  4. Step 4: Simplify right side
    6,218,685,217.76x = 19,384,842,731,973,906,432
  5. Step 5: Solve for x
    x = 19,384,842,731,973,906,432/6,218,685,217.76
  6. Step 6: Final answer
    x = 3,117,193,112.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.