Home / 1,088,691,940.20-1,633,037,910.30-629,526,916.20

Finding the Fourth Proportional to 1,088,691,940.20, 1,633,037,910.30 and 629,526,916.20

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Solution

The fourth proportional to 1,088,691,940.20, 1,633,037,910.30 and 629,526,916.20 is: 944,290,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,691,940.20 : 1,633,037,910.30 = 629,526,916.20 : x
  2. Step 2: Convert to fraction form
    1,088,691,940.20/1,633,037,910.30 = 629,526,916.20/x
  3. Step 3: Cross multiply
    1,088,691,940.20x = 1,633,037,910.30 × 629,526,916.20
  4. Step 4: Simplify right side
    1,088,691,940.20x = 1,028,041,319,708,851,328
  5. Step 5: Solve for x
    x = 1,028,041,319,708,851,328/1,088,691,940.20
  6. Step 6: Final answer
    x = 944,290,374.30

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Half scale
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Double scale
Find fourth proportional to 1,088,691,941.20, 1,633,037,911.80 and 629,526,917.20
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.