Home / 1,120,278,518.19-1,680,394,703.18-373,348,523.96

Finding the Fourth Proportional to 1,120,278,518.19, 1,680,394,703.18 and 373,348,523.96

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Solution

The fourth proportional to 1,120,278,518.19, 1,680,394,703.18 and 373,348,523.96 is: 560,015,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,278,518.19 : 1,680,394,703.18 = 373,348,523.96 : x
  2. Step 2: Convert to fraction form
    1,120,278,518.19/1,680,394,703.18 = 373,348,523.96/x
  3. Step 3: Cross multiply
    1,120,278,518.19x = 1,680,394,703.18 × 373,348,523.96
  4. Step 4: Simplify right side
    1,120,278,518.19x = 627,372,882,094,986,624
  5. Step 5: Solve for x
    x = 627,372,882,094,986,624/1,120,278,518.19
  6. Step 6: Final answer
    x = 560,015,096.16

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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.