Home / 815,665,571.10-1,125,753,483.02-481,219,859.10

Finding the Fourth Proportional to 815,665,571.10, 1,125,753,483.02 and 481,219,859.10

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Solution

The fourth proportional to 815,665,571.10, 1,125,753,483.02 and 481,219,859.10 is: 664,163,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,665,571.10 : 1,125,753,483.02 = 481,219,859.10 : x
  2. Step 2: Convert to fraction form
    815,665,571.10/1,125,753,483.02 = 481,219,859.10/x
  3. Step 3: Cross multiply
    815,665,571.10x = 1,125,753,483.02 × 481,219,859.10
  4. Step 4: Simplify right side
    815,665,571.10x = 541,734,932,480,218,688
  5. Step 5: Solve for x
    x = 541,734,932,480,218,688/815,665,571.10
  6. Step 6: Final answer
    x = 664,163,048.77

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Double scale
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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.