Home / 1,076,556,787.20-1,485,648,138.24-581,519,508.48

Finding the Fourth Proportional to 1,076,556,787.20, 1,485,648,138.24 and 581,519,508.48

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Solution

The fourth proportional to 1,076,556,787.20, 1,485,648,138.24 and 581,519,508.48 is: 802,496,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,556,787.20 : 1,485,648,138.24 = 581,519,508.48 : x
  2. Step 2: Convert to fraction form
    1,076,556,787.20/1,485,648,138.24 = 581,519,508.48/x
  3. Step 3: Cross multiply
    1,076,556,787.20x = 1,485,648,138.24 × 581,519,508.48
  4. Step 4: Simplify right side
    1,076,556,787.20x = 863,933,375,123,551,872
  5. Step 5: Solve for x
    x = 863,933,375,123,551,872/1,076,556,787.20
  6. Step 6: Final answer
    x = 802,496,798.49

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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.