Home / 1,117,627,786.33-1,542,256,851.85-615,808,487.66

Finding the Fourth Proportional to 1,117,627,786.33, 1,542,256,851.85 and 615,808,487.66

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Solution

The fourth proportional to 1,117,627,786.33, 1,542,256,851.85 and 615,808,487.66 is: 849,777,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,627,786.33 : 1,542,256,851.85 = 615,808,487.66 : x
  2. Step 2: Convert to fraction form
    1,117,627,786.33/1,542,256,851.85 = 615,808,487.66/x
  3. Step 3: Cross multiply
    1,117,627,786.33x = 1,542,256,851.85 × 615,808,487.66
  4. Step 4: Simplify right side
    1,117,627,786.33x = 949,734,859,510,230,784
  5. Step 5: Solve for x
    x = 949,734,859,510,230,784/1,117,627,786.33
  6. Step 6: Final answer
    x = 849,777,422.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.