Home / 851,789,359.44-1,175,472,858.24-460,648,783.44

Finding the Fourth Proportional to 851,789,359.44, 1,175,472,858.24 and 460,648,783.44

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Solution

The fourth proportional to 851,789,359.44, 1,175,472,858.24 and 460,648,783.44 is: 635,697,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,789,359.44 : 1,175,472,858.24 = 460,648,783.44 : x
  2. Step 2: Convert to fraction form
    851,789,359.44/1,175,472,858.24 = 460,648,783.44/x
  3. Step 3: Cross multiply
    851,789,359.44x = 1,175,472,858.24 × 460,648,783.44
  4. Step 4: Simplify right side
    851,789,359.44x = 541,480,142,114,995,584
  5. Step 5: Solve for x
    x = 541,480,142,114,995,584/851,789,359.44
  6. Step 6: Final answer
    x = 635,697,236.78

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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.