Home / 265,474,598.40-398,354,666.58-255,811,732.56

Finding the Fourth Proportional to 265,474,598.40, 398,354,666.58 and 255,811,732.56

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Solution

The fourth proportional to 265,474,598.40, 398,354,666.58 and 255,811,732.56 is: 383,855,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,474,598.40 : 398,354,666.58 = 255,811,732.56 : x
  2. Step 2: Convert to fraction form
    265,474,598.40/398,354,666.58 = 255,811,732.56/x
  3. Step 3: Cross multiply
    265,474,598.40x = 398,354,666.58 × 255,811,732.56
  4. Step 4: Simplify right side
    265,474,598.40x = 101,903,797,431,190,928
  5. Step 5: Solve for x
    x = 101,903,797,431,190,928/265,474,598.40
  6. Step 6: Final answer
    x = 383,855,171.25

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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.