Home / 667,788,320.40-1,001,682,480.60-493,449,100.35

Finding the Fourth Proportional to 667,788,320.40, 1,001,682,480.60 and 493,449,100.35

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Solution

The fourth proportional to 667,788,320.40, 1,001,682,480.60 and 493,449,100.35 is: 740,173,650.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,788,320.40 : 1,001,682,480.60 = 493,449,100.35 : x
  2. Step 2: Convert to fraction form
    667,788,320.40/1,001,682,480.60 = 493,449,100.35/x
  3. Step 3: Cross multiply
    667,788,320.40x = 1,001,682,480.60 × 493,449,100.35
  4. Step 4: Simplify right side
    667,788,320.40x = 494,279,318,888,426,368
  5. Step 5: Solve for x
    x = 494,279,318,888,426,368/667,788,320.40
  6. Step 6: Final answer
    x = 740,173,650.53

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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.