Home / 455,189,171.10-682,783,756.65-340,397,915.10

Finding the Fourth Proportional to 455,189,171.10, 682,783,756.65 and 340,397,915.10

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Solution

The fourth proportional to 455,189,171.10, 682,783,756.65 and 340,397,915.10 is: 510,596,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,189,171.10 : 682,783,756.65 = 340,397,915.10 : x
  2. Step 2: Convert to fraction form
    455,189,171.10/682,783,756.65 = 340,397,915.10/x
  3. Step 3: Cross multiply
    455,189,171.10x = 682,783,756.65 × 340,397,915.10
  4. Step 4: Simplify right side
    455,189,171.10x = 232,418,167,227,805,760
  5. Step 5: Solve for x
    x = 232,418,167,227,805,760/455,189,171.10
  6. Step 6: Final answer
    x = 510,596,872.65

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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.