Home / 607,103,408.70-910,518,819.21-279,264,060.54

Finding the Fourth Proportional to 607,103,408.70, 910,518,819.21 and 279,264,060.54

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Solution

The fourth proportional to 607,103,408.70, 910,518,819.21 and 279,264,060.54 is: 418,833,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,103,408.70 : 910,518,819.21 = 279,264,060.54 : x
  2. Step 2: Convert to fraction form
    607,103,408.70/910,518,819.21 = 279,264,060.54/x
  3. Step 3: Cross multiply
    607,103,408.70x = 910,518,819.21 × 279,264,060.54
  4. Step 4: Simplify right side
    607,103,408.70x = 254,275,182,650,670,784
  5. Step 5: Solve for x
    x = 254,275,182,650,670,784/607,103,408.70
  6. Step 6: Final answer
    x = 418,833,396.43

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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.