Home / 264,268,001.70-396,402,002.55-172,434,996.90

Finding the Fourth Proportional to 264,268,001.70, 396,402,002.55 and 172,434,996.90

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Solution

The fourth proportional to 264,268,001.70, 396,402,002.55 and 172,434,996.90 is: 258,652,495.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,268,001.70 : 396,402,002.55 = 172,434,996.90 : x
  2. Step 2: Convert to fraction form
    264,268,001.70/396,402,002.55 = 172,434,996.90/x
  3. Step 3: Cross multiply
    264,268,001.70x = 396,402,002.55 × 172,434,996.90
  4. Step 4: Simplify right side
    264,268,001.70x = 68,353,578,080,863,048
  5. Step 5: Solve for x
    x = 68,353,578,080,863,048/264,268,001.70
  6. Step 6: Final answer
    x = 258,652,495.35

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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.