Home / 3,902,105,903.44-5,384,761,953.84-2,117,921,049.50

Finding the Fourth Proportional to 3,902,105,903.44, 5,384,761,953.84 and 2,117,921,049.50

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Solution

The fourth proportional to 3,902,105,903.44, 5,384,761,953.84 and 2,117,921,049.50 is: 2,922,652,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,105,903.44 : 5,384,761,953.84 = 2,117,921,049.50 : x
  2. Step 2: Convert to fraction form
    3,902,105,903.44/5,384,761,953.84 = 2,117,921,049.50/x
  3. Step 3: Cross multiply
    3,902,105,903.44x = 5,384,761,953.84 × 2,117,921,049.50
  4. Step 4: Simplify right side
    3,902,105,903.44x = 11,404,500,688,587,030,528
  5. Step 5: Solve for x
    x = 11,404,500,688,587,030,528/3,902,105,903.44
  6. Step 6: Final answer
    x = 2,922,652,785.65

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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.