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Finding the Fourth Proportional to 562,624,128.80, 843,264,346.80 and 235,099,008.80

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Solution

The fourth proportional to 562,624,128.80, 843,264,346.80 and 235,099,008.80 is: 352,367,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,624,128.80 : 843,264,346.80 = 235,099,008.80 : x
  2. Step 2: Convert to fraction form
    562,624,128.80/843,264,346.80 = 235,099,008.80/x
  3. Step 3: Cross multiply
    562,624,128.80x = 843,264,346.80 × 235,099,008.80
  4. Step 4: Simplify right side
    562,624,128.80x = 198,250,612,089,059,456
  5. Step 5: Solve for x
    x = 198,250,612,089,059,456/562,624,128.80
  6. Step 6: Final answer
    x = 352,367,774.40

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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.