Home / 13,478,761,094.88-20,178,800,835.93-7,865,497,020

Finding the Fourth Proportional to 13,478,761,094.88, 20,178,800,835.93 and 7,865,497,020

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Solution

The fourth proportional to 13,478,761,094.88, 20,178,800,835.93 and 7,865,497,020 is: 11,775,288,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478,761,094.88 : 20,178,800,835.93 = 7,865,497,020 : x
  2. Step 2: Convert to fraction form
    13,478,761,094.88/20,178,800,835.93 = 7,865,497,020/x
  3. Step 3: Cross multiply
    13,478,761,094.88x = 20,178,800,835.93 × 7,865,497,020
  4. Step 4: Simplify right side
    13,478,761,094.88x = 158,716,297,842,180,915,200
  5. Step 5: Solve for x
    x = 158,716,297,842,180,915,200/13,478,761,094.88
  6. Step 6: Final answer
    x = 11,775,288,301.72

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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.