Home / 263,736,680.40-394,849,193.40-256,178,408.40

Finding the Fourth Proportional to 263,736,680.40, 394,849,193.40 and 256,178,408.40

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Solution

The fourth proportional to 263,736,680.40, 394,849,193.40 and 256,178,408.40 is: 383,533,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,736,680.40 : 394,849,193.40 = 256,178,408.40 : x
  2. Step 2: Convert to fraction form
    263,736,680.40/394,849,193.40 = 256,178,408.40/x
  3. Step 3: Cross multiply
    263,736,680.40x = 394,849,193.40 × 256,178,408.40
  4. Step 4: Simplify right side
    263,736,680.40x = 101,151,837,923,235,776
  5. Step 5: Solve for x
    x = 101,151,837,923,235,776/263,736,680.40
  6. Step 6: Final answer
    x = 383,533,446.20

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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.