Home / 522,638,932.50-783,958,257.81-195,139,984.41

Finding the Fourth Proportional to 522,638,932.50, 783,958,257.81 and 195,139,984.41

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Solution

The fourth proportional to 522,638,932.50, 783,958,257.81 and 195,139,984.41 is: 292,709,923.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,638,932.50 : 783,958,257.81 = 195,139,984.41 : x
  2. Step 2: Convert to fraction form
    522,638,932.50/783,958,257.81 = 195,139,984.41/x
  3. Step 3: Cross multiply
    522,638,932.50x = 783,958,257.81 × 195,139,984.41
  4. Step 4: Simplify right side
    522,638,932.50x = 152,981,602,207,134,144
  5. Step 5: Solve for x
    x = 152,981,602,207,134,144/522,638,932.50
  6. Step 6: Final answer
    x = 292,709,923.99

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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.