Home / 7,199,764,615.37-9,935,601,984.13-3,984,680,847.63

Finding the Fourth Proportional to 7,199,764,615.37, 9,935,601,984.13 and 3,984,680,847.63

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Solution

The fourth proportional to 7,199,764,615.37, 9,935,601,984.13 and 3,984,680,847.63 is: 5,498,819,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199,764,615.37 : 9,935,601,984.13 = 3,984,680,847.63 : x
  2. Step 2: Convert to fraction form
    7,199,764,615.37/9,935,601,984.13 = 3,984,680,847.63/x
  3. Step 3: Cross multiply
    7,199,764,615.37x = 9,935,601,984.13 × 3,984,680,847.63
  4. Step 4: Simplify right side
    7,199,764,615.37x = 39,590,202,935,827,480,576
  5. Step 5: Solve for x
    x = 39,590,202,935,827,480,576/7,199,764,615.37
  6. Step 6: Final answer
    x = 5,498,819,065.74

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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.