Home / 352,107,260.40-528,160,890.60-222,860,809.20

Finding the Fourth Proportional to 352,107,260.40, 528,160,890.60 and 222,860,809.20

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Solution

The fourth proportional to 352,107,260.40, 528,160,890.60 and 222,860,809.20 is: 334,291,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,107,260.40 : 528,160,890.60 = 222,860,809.20 : x
  2. Step 2: Convert to fraction form
    352,107,260.40/528,160,890.60 = 222,860,809.20/x
  3. Step 3: Cross multiply
    352,107,260.40x = 528,160,890.60 × 222,860,809.20
  4. Step 4: Simplify right side
    352,107,260.40x = 117,706,363,466,908,672
  5. Step 5: Solve for x
    x = 117,706,363,466,908,672/352,107,260.40
  6. Step 6: Final answer
    x = 334,291,213.80

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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.