Home / 1,248,058,900.20-1,872,088,350.30-885,261,844.20

Finding the Fourth Proportional to 1,248,058,900.20, 1,872,088,350.30 and 885,261,844.20

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Solution

The fourth proportional to 1,248,058,900.20, 1,872,088,350.30 and 885,261,844.20 is: 1,327,892,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,058,900.20 : 1,872,088,350.30 = 885,261,844.20 : x
  2. Step 2: Convert to fraction form
    1,248,058,900.20/1,872,088,350.30 = 885,261,844.20/x
  3. Step 3: Cross multiply
    1,248,058,900.20x = 1,872,088,350.30 × 885,261,844.20
  4. Step 4: Simplify right side
    1,248,058,900.20x = 1,657,288,385,491,913,728
  5. Step 5: Solve for x
    x = 1,657,288,385,491,913,728/1,248,058,900.20
  6. Step 6: Final answer
    x = 1,327,892,766.30

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Half scale
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Double scale
Find fourth proportional to 1,248,058,901.20, 1,872,088,351.80 and 885,261,845.20
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.