Home / 676,476,769.88-933,522,064.80-398,036,327.96

Finding the Fourth Proportional to 676,476,769.88, 933,522,064.80 and 398,036,327.96

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Solution

The fourth proportional to 676,476,769.88, 933,522,064.80 and 398,036,327.96 is: 549,280,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,476,769.88 : 933,522,064.80 = 398,036,327.96 : x
  2. Step 2: Convert to fraction form
    676,476,769.88/933,522,064.80 = 398,036,327.96/x
  3. Step 3: Cross multiply
    676,476,769.88x = 933,522,064.80 × 398,036,327.96
  4. Step 4: Simplify right side
    676,476,769.88x = 371,575,694,737,961,536
  5. Step 5: Solve for x
    x = 371,575,694,737,961,536/676,476,769.88
  6. Step 6: Final answer
    x = 549,280,790.24

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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.