Home / 1,762,215,739.67-2,643,624,754.56-726,510,451.43

Finding the Fourth Proportional to 1,762,215,739.67, 2,643,624,754.56 and 726,510,451.43

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Solution

The fourth proportional to 1,762,215,739.67, 2,643,624,754.56 and 726,510,451.43 is: 1,089,889,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,215,739.67 : 2,643,624,754.56 = 726,510,451.43 : x
  2. Step 2: Convert to fraction form
    1,762,215,739.67/2,643,624,754.56 = 726,510,451.43/x
  3. Step 3: Cross multiply
    1,762,215,739.67x = 2,643,624,754.56 × 726,510,451.43
  4. Step 4: Simplify right side
    1,762,215,739.67x = 1,920,621,013,846,908,416
  5. Step 5: Solve for x
    x = 1,920,621,013,846,908,416/1,762,215,739.67
  6. Step 6: Final answer
    x = 1,089,889,830.52

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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.