Home / 673,640,471.05-1,010,496,392.01-207,621,975.61

Finding the Fourth Proportional to 673,640,471.05, 1,010,496,392.01 and 207,621,975.61

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Solution

The fourth proportional to 673,640,471.05, 1,010,496,392.01 and 207,621,975.61 is: 311,443,961.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,640,471.05 : 1,010,496,392.01 = 207,621,975.61 : x
  2. Step 2: Convert to fraction form
    673,640,471.05/1,010,496,392.01 = 207,621,975.61/x
  3. Step 3: Cross multiply
    673,640,471.05x = 1,010,496,392.01 × 207,621,975.61
  4. Step 4: Simplify right side
    673,640,471.05x = 209,801,257,254,607,520
  5. Step 5: Solve for x
    x = 209,801,257,254,607,520/673,640,471.05
  6. Step 6: Final answer
    x = 311,443,961.98

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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.