Home / 10,921,526,218.76-15,071,598,882.42-5,909,163,663.56

Finding the Fourth Proportional to 10,921,526,218.76, 15,071,598,882.42 and 5,909,163,663.56

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Solution

The fourth proportional to 10,921,526,218.76, 15,071,598,882.42 and 5,909,163,663.56 is: 8,154,587,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,526,218.76 : 15,071,598,882.42 = 5,909,163,663.56 : x
  2. Step 2: Convert to fraction form
    10,921,526,218.76/15,071,598,882.42 = 5,909,163,663.56/x
  3. Step 3: Cross multiply
    10,921,526,218.76x = 15,071,598,882.42 × 5,909,163,663.56
  4. Step 4: Simplify right side
    10,921,526,218.76x = 89,060,544,467,747,782,656
  5. Step 5: Solve for x
    x = 89,060,544,467,747,782,656/10,921,526,218.76
  6. Step 6: Final answer
    x = 8,154,587,800.63

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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.