Home / 667,040,250.47-920,515,632.93-369,701,688.96

Finding the Fourth Proportional to 667,040,250.47, 920,515,632.93 and 369,701,688.96

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Solution

The fourth proportional to 667,040,250.47, 920,515,632.93 and 369,701,688.96 is: 510,188,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,040,250.47 : 920,515,632.93 = 369,701,688.96 : x
  2. Step 2: Convert to fraction form
    667,040,250.47/920,515,632.93 = 369,701,688.96/x
  3. Step 3: Cross multiply
    667,040,250.47x = 920,515,632.93 × 369,701,688.96
  4. Step 4: Simplify right side
    667,040,250.47x = 340,316,184,208,304,384
  5. Step 5: Solve for x
    x = 340,316,184,208,304,384/667,040,250.47
  6. Step 6: Final answer
    x = 510,188,379.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.