Home / 430,021,050.56-644,622,906.08-274,137,364.81

Finding the Fourth Proportional to 430,021,050.56, 644,622,906.08 and 274,137,364.81

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Solution

The fourth proportional to 430,021,050.56, 644,622,906.08 and 274,137,364.81 is: 410,945,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,021,050.56 : 644,622,906.08 = 274,137,364.81 : x
  2. Step 2: Convert to fraction form
    430,021,050.56/644,622,906.08 = 274,137,364.81/x
  3. Step 3: Cross multiply
    430,021,050.56x = 644,622,906.08 × 274,137,364.81
  4. Step 4: Simplify right side
    430,021,050.56x = 176,715,224,770,426,432
  5. Step 5: Solve for x
    x = 176,715,224,770,426,432/430,021,050.56
  6. Step 6: Final answer
    x = 410,945,521.25

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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.