Home / 1,259,409,123.20-1,738,027,809.60-730,733,191.04

Finding the Fourth Proportional to 1,259,409,123.20, 1,738,027,809.60 and 730,733,191.04

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Solution

The fourth proportional to 1,259,409,123.20, 1,738,027,809.60 and 730,733,191.04 is: 1,008,436,880.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,409,123.20 : 1,738,027,809.60 = 730,733,191.04 : x
  2. Step 2: Convert to fraction form
    1,259,409,123.20/1,738,027,809.60 = 730,733,191.04/x
  3. Step 3: Cross multiply
    1,259,409,123.20x = 1,738,027,809.60 × 730,733,191.04
  4. Step 4: Simplify right side
    1,259,409,123.20x = 1,270,034,607,425,269,504
  5. Step 5: Solve for x
    x = 1,270,034,607,425,269,504/1,259,409,123.20
  6. Step 6: Final answer
    x = 1,008,436,880.46

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Double scale
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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.