Home / 289,403,234.60-434,104,851.90-174,611,978.60

Finding the Fourth Proportional to 289,403,234.60, 434,104,851.90 and 174,611,978.60

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Solution

The fourth proportional to 289,403,234.60, 434,104,851.90 and 174,611,978.60 is: 261,917,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,403,234.60 : 434,104,851.90 = 174,611,978.60 : x
  2. Step 2: Convert to fraction form
    289,403,234.60/434,104,851.90 = 174,611,978.60/x
  3. Step 3: Cross multiply
    289,403,234.60x = 434,104,851.90 × 174,611,978.60
  4. Step 4: Simplify right side
    289,403,234.60x = 75,799,907,110,118,960
  5. Step 5: Solve for x
    x = 75,799,907,110,118,960/289,403,234.60
  6. Step 6: Final answer
    x = 261,917,967.90

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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.