Home / 7,219,898,191.76-9,963,267,257.71-4,167,971,471.61

Finding the Fourth Proportional to 7,219,898,191.76, 9,963,267,257.71 and 4,167,971,471.61

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Solution

The fourth proportional to 7,219,898,191.76, 9,963,267,257.71 and 4,167,971,471.61 is: 5,751,689,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219,898,191.76 : 9,963,267,257.71 = 4,167,971,471.61 : x
  2. Step 2: Convert to fraction form
    7,219,898,191.76/9,963,267,257.71 = 4,167,971,471.61/x
  3. Step 3: Cross multiply
    7,219,898,191.76x = 9,963,267,257.71 × 4,167,971,471.61
  4. Step 4: Simplify right side
    7,219,898,191.76x = 41,526,613,694,090,625,024
  5. Step 5: Solve for x
    x = 41,526,613,694,090,625,024/7,219,898,191.76
  6. Step 6: Final answer
    x = 5,751,689,648.68

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Double scale
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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.