Home / 679,860,185.84-935,940,646.33-648,624,408.90

Finding the Fourth Proportional to 679,860,185.84, 935,940,646.33 and 648,624,408.90

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Solution

The fourth proportional to 679,860,185.84, 935,940,646.33 and 648,624,408.90 is: 892,939,403.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,860,185.84 : 935,940,646.33 = 648,624,408.90 : x
  2. Step 2: Convert to fraction form
    679,860,185.84/935,940,646.33 = 648,624,408.90/x
  3. Step 3: Cross multiply
    679,860,185.84x = 935,940,646.33 × 648,624,408.90
  4. Step 4: Simplify right side
    679,860,185.84x = 607,073,948,486,148,864
  5. Step 5: Solve for x
    x = 607,073,948,486,148,864/679,860,185.84
  6. Step 6: Final answer
    x = 892,939,403.03

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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.