Home / 649,938,873.35-896,915,645.24-371,486,375.66

Finding the Fourth Proportional to 649,938,873.35, 896,915,645.24 and 371,486,375.66

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Solution

The fourth proportional to 649,938,873.35, 896,915,645.24 and 371,486,375.66 is: 512,651,198.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,938,873.35 : 896,915,645.24 = 371,486,375.66 : x
  2. Step 2: Convert to fraction form
    649,938,873.35/896,915,645.24 = 371,486,375.66/x
  3. Step 3: Cross multiply
    649,938,873.35x = 896,915,645.24 × 371,486,375.66
  4. Step 4: Simplify right side
    649,938,873.35x = 333,191,942,316,615,872
  5. Step 5: Solve for x
    x = 333,191,942,316,615,872/649,938,873.35
  6. Step 6: Final answer
    x = 512,651,198.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.