Home / 15,146,970,136.92-20,902,417,822.62-8,464,021,617.24

Finding the Fourth Proportional to 15,146,970,136.92, 20,902,417,822.62 and 8,464,021,617.24

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Solution

The fourth proportional to 15,146,970,136.92, 20,902,417,822.62 and 8,464,021,617.24 is: 11,680,125,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146,970,136.92 : 20,902,417,822.62 = 8,464,021,617.24 : x
  2. Step 2: Convert to fraction form
    15,146,970,136.92/20,902,417,822.62 = 8,464,021,617.24/x
  3. Step 3: Cross multiply
    15,146,970,136.92x = 20,902,417,822.62 × 8,464,021,617.24
  4. Step 4: Simplify right side
    15,146,970,136.92x = 176,918,516,303,238,332,416
  5. Step 5: Solve for x
    x = 176,918,516,303,238,332,416/15,146,970,136.92
  6. Step 6: Final answer
    x = 11,680,125,774.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.