Home / 716,256,361.60-1,074,384,542.40-256,209,539.20

Finding the Fourth Proportional to 716,256,361.60, 1,074,384,542.40 and 256,209,539.20

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Solution

The fourth proportional to 716,256,361.60, 1,074,384,542.40 and 256,209,539.20 is: 384,314,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,256,361.60 : 1,074,384,542.40 = 256,209,539.20 : x
  2. Step 2: Convert to fraction form
    716,256,361.60/1,074,384,542.40 = 256,209,539.20/x
  3. Step 3: Cross multiply
    716,256,361.60x = 1,074,384,542.40 × 256,209,539.20
  4. Step 4: Simplify right side
    716,256,361.60x = 275,267,568,531,906,880
  5. Step 5: Solve for x
    x = 275,267,568,531,906,880/716,256,361.60
  6. Step 6: Final answer
    x = 384,314,308.80

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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.