Home / 2,698,758,096.30-4,048,137,144.45-858,696,777.90

Finding the Fourth Proportional to 2,698,758,096.30, 4,048,137,144.45 and 858,696,777.90

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Solution

The fourth proportional to 2,698,758,096.30, 4,048,137,144.45 and 858,696,777.90 is: 1,288,045,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,758,096.30 : 4,048,137,144.45 = 858,696,777.90 : x
  2. Step 2: Convert to fraction form
    2,698,758,096.30/4,048,137,144.45 = 858,696,777.90/x
  3. Step 3: Cross multiply
    2,698,758,096.30x = 4,048,137,144.45 × 858,696,777.90
  4. Step 4: Simplify right side
    2,698,758,096.30x = 3,476,122,322,436,521,472
  5. Step 5: Solve for x
    x = 3,476,122,322,436,521,472/2,698,758,096.30
  6. Step 6: Final answer
    x = 1,288,045,166.85

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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.