Home / 13,478,761,094.13-20,178,800,834.81-7,865,497,019.25

Finding the Fourth Proportional to 13,478,761,094.13, 20,178,800,834.81 and 7,865,497,019.25

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Solution

The fourth proportional to 13,478,761,094.13, 20,178,800,834.81 and 7,865,497,019.25 is: 11,775,288,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478,761,094.13 : 20,178,800,834.81 = 7,865,497,019.25 : x
  2. Step 2: Convert to fraction form
    13,478,761,094.13/20,178,800,834.81 = 7,865,497,019.25/x
  3. Step 3: Cross multiply
    13,478,761,094.13x = 20,178,800,834.81 × 7,865,497,019.25
  4. Step 4: Simplify right side
    13,478,761,094.13x = 158,716,297,818,198,147,072
  5. Step 5: Solve for x
    x = 158,716,297,818,198,147,072/13,478,761,094.13
  6. Step 6: Final answer
    x = 11,775,288,300.59

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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.