Home / 550,368,289.65-825,552,434.48-508,278,162.45

Finding the Fourth Proportional to 550,368,289.65, 825,552,434.48 and 508,278,162.45

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Solution

The fourth proportional to 550,368,289.65, 825,552,434.48 and 508,278,162.45 is: 762,417,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,368,289.65 : 825,552,434.48 = 508,278,162.45 : x
  2. Step 2: Convert to fraction form
    550,368,289.65/825,552,434.48 = 508,278,162.45/x
  3. Step 3: Cross multiply
    550,368,289.65x = 825,552,434.48 × 508,278,162.45
  4. Step 4: Simplify right side
    550,368,289.65x = 419,610,274,401,077,056
  5. Step 5: Solve for x
    x = 419,610,274,401,077,056/550,368,289.65
  6. Step 6: Final answer
    x = 762,417,243.68

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Double scale
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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.