Home / 13,478,761,099.13-20,178,800,842.30-7,865,497,024.25

Finding the Fourth Proportional to 13,478,761,099.13, 20,178,800,842.30 and 7,865,497,024.25

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Solution

The fourth proportional to 13,478,761,099.13, 20,178,800,842.30 and 7,865,497,024.25 is: 11,775,288,308.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478,761,099.13 : 20,178,800,842.30 = 7,865,497,024.25 : x
  2. Step 2: Convert to fraction form
    13,478,761,099.13/20,178,800,842.30 = 7,865,497,024.25/x
  3. Step 3: Cross multiply
    13,478,761,099.13x = 20,178,800,842.30 × 7,865,497,024.25
  4. Step 4: Simplify right side
    13,478,761,099.13x = 158,716,297,978,044,022,784
  5. Step 5: Solve for x
    x = 158,716,297,978,044,022,784/13,478,761,099.13
  6. Step 6: Final answer
    x = 11,775,288,308.08

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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.