Home / 1,762,215,739.55-2,643,624,754.37-726,510,451.31

Finding the Fourth Proportional to 1,762,215,739.55, 2,643,624,754.37 and 726,510,451.31

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Solution

The fourth proportional to 1,762,215,739.55, 2,643,624,754.37 and 726,510,451.31 is: 1,089,889,830.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,215,739.55 : 2,643,624,754.37 = 726,510,451.31 : x
  2. Step 2: Convert to fraction form
    1,762,215,739.55/2,643,624,754.37 = 726,510,451.31/x
  3. Step 3: Cross multiply
    1,762,215,739.55x = 2,643,624,754.37 × 726,510,451.31
  4. Step 4: Simplify right side
    1,762,215,739.55x = 1,920,621,013,388,003,840
  5. Step 5: Solve for x
    x = 1,920,621,013,388,003,840/1,762,215,739.55
  6. Step 6: Final answer
    x = 1,089,889,830.33

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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.