Home / 696,542,442.98-1,044,813,648.11-253,918,309.64

Finding the Fourth Proportional to 696,542,442.98, 1,044,813,648.11 and 253,918,309.64

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Solution

The fourth proportional to 696,542,442.98, 1,044,813,648.11 and 253,918,309.64 is: 380,877,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,542,442.98 : 1,044,813,648.11 = 253,918,309.64 : x
  2. Step 2: Convert to fraction form
    696,542,442.98/1,044,813,648.11 = 253,918,309.64/x
  3. Step 3: Cross multiply
    696,542,442.98x = 1,044,813,648.11 × 253,918,309.64
  4. Step 4: Simplify right side
    696,542,442.98x = 265,297,315,410,399,328
  5. Step 5: Solve for x
    x = 265,297,315,410,399,328/696,542,442.98
  6. Step 6: Final answer
    x = 380,877,458.49

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Double scale
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Similar ratio
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1.5x scale

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.