Home / 673,640,470.94-1,010,496,391.85-207,621,975.50

Finding the Fourth Proportional to 673,640,470.94, 1,010,496,391.85 and 207,621,975.50

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Solution

The fourth proportional to 673,640,470.94, 1,010,496,391.85 and 207,621,975.50 is: 311,443,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,640,470.94 : 1,010,496,391.85 = 207,621,975.50 : x
  2. Step 2: Convert to fraction form
    673,640,470.94/1,010,496,391.85 = 207,621,975.50/x
  3. Step 3: Cross multiply
    673,640,470.94x = 1,010,496,391.85 × 207,621,975.50
  4. Step 4: Simplify right side
    673,640,470.94x = 209,801,257,111,519,104
  5. Step 5: Solve for x
    x = 209,801,257,111,519,104/673,640,470.94
  6. Step 6: Final answer
    x = 311,443,961.82

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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.