Home / 673,640,470.35-1,010,496,390.95-207,621,974.91

Finding the Fourth Proportional to 673,640,470.35, 1,010,496,390.95 and 207,621,974.91

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Solution

The fourth proportional to 673,640,470.35, 1,010,496,390.95 and 207,621,974.91 is: 311,443,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,640,470.35 : 1,010,496,390.95 = 207,621,974.91 : x
  2. Step 2: Convert to fraction form
    673,640,470.35/1,010,496,390.95 = 207,621,974.91/x
  3. Step 3: Cross multiply
    673,640,470.35x = 1,010,496,390.95 × 207,621,974.91
  4. Step 4: Simplify right side
    673,640,470.35x = 209,801,256,327,085,792
  5. Step 5: Solve for x
    x = 209,801,256,327,085,792/673,640,470.35
  6. Step 6: Final answer
    x = 311,443,960.93

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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.