Home / 2,240,735,929.20-3,358,836,412.20-1,320,138,399.60

Finding the Fourth Proportional to 2,240,735,929.20, 3,358,836,412.20 and 1,320,138,399.60

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Solution

The fourth proportional to 2,240,735,929.20, 3,358,836,412.20 and 1,320,138,399.60 is: 1,978,871,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240,735,929.20 : 3,358,836,412.20 = 1,320,138,399.60 : x
  2. Step 2: Convert to fraction form
    2,240,735,929.20/3,358,836,412.20 = 1,320,138,399.60/x
  3. Step 3: Cross multiply
    2,240,735,929.20x = 3,358,836,412.20 × 1,320,138,399.60
  4. Step 4: Simplify right side
    2,240,735,929.20x = 4,434,128,925,719,913,472
  5. Step 5: Solve for x
    x = 4,434,128,925,719,913,472/2,240,735,929.20
  6. Step 6: Final answer
    x = 1,978,871,703.68

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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.