Home / 348,909,245.60-522,356,098.80-212,860,349.60

Finding the Fourth Proportional to 348,909,245.60, 522,356,098.80 and 212,860,349.60

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Solution

The fourth proportional to 348,909,245.60, 522,356,098.80 and 212,860,349.60 is: 318,675,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,909,245.60 : 522,356,098.80 = 212,860,349.60 : x
  2. Step 2: Convert to fraction form
    348,909,245.60/522,356,098.80 = 212,860,349.60/x
  3. Step 3: Cross multiply
    348,909,245.60x = 522,356,098.80 × 212,860,349.60
  4. Step 4: Simplify right side
    348,909,245.60x = 111,188,901,806,260,144
  5. Step 5: Solve for x
    x = 111,188,901,806,260,144/348,909,245.60
  6. Step 6: Final answer
    x = 318,675,710.69

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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.