Home / 263,736,662.40-394,849,166.40-256,178,390.40

Finding the Fourth Proportional to 263,736,662.40, 394,849,166.40 and 256,178,390.40

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Solution

The fourth proportional to 263,736,662.40, 394,849,166.40 and 256,178,390.40 is: 383,533,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,736,662.40 : 394,849,166.40 = 256,178,390.40 : x
  2. Step 2: Convert to fraction form
    263,736,662.40/394,849,166.40 = 256,178,390.40/x
  3. Step 3: Cross multiply
    263,736,662.40x = 394,849,166.40 × 256,178,390.40
  4. Step 4: Simplify right side
    263,736,662.40x = 101,151,823,899,133,760
  5. Step 5: Solve for x
    x = 101,151,823,899,133,760/263,736,662.40
  6. Step 6: Final answer
    x = 383,533,419.20

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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.