Home / 1,762,215,783.16-2,643,624,819.78-726,510,494.92

Finding the Fourth Proportional to 1,762,215,783.16, 2,643,624,819.78 and 726,510,494.92

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Solution

The fourth proportional to 1,762,215,783.16, 2,643,624,819.78 and 726,510,494.92 is: 1,089,889,895.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,215,783.16 : 2,643,624,819.78 = 726,510,494.92 : x
  2. Step 2: Convert to fraction form
    1,762,215,783.16/2,643,624,819.78 = 726,510,494.92/x
  3. Step 3: Cross multiply
    1,762,215,783.16x = 2,643,624,819.78 × 726,510,494.92
  4. Step 4: Simplify right side
    1,762,215,783.16x = 1,920,621,176,201,163,520
  5. Step 5: Solve for x
    x = 1,920,621,176,201,163,520/1,762,215,783.16
  6. Step 6: Final answer
    x = 1,089,889,895.75

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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.