Home / 437,076,009.60-655,598,851.20-109,554,388.80

Finding the Fourth Proportional to 437,076,009.60, 655,598,851.20 and 109,554,388.80

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Solution

The fourth proportional to 437,076,009.60, 655,598,851.20 and 109,554,388.80 is: 164,327,782.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,076,009.60 : 655,598,851.20 = 109,554,388.80 : x
  2. Step 2: Convert to fraction form
    437,076,009.60/655,598,851.20 = 109,554,388.80/x
  3. Step 3: Cross multiply
    437,076,009.60x = 655,598,851.20 × 109,554,388.80
  4. Step 4: Simplify right side
    437,076,009.60x = 71,823,731,441,198,152
  5. Step 5: Solve for x
    x = 71,823,731,441,198,152/437,076,009.60
  6. Step 6: Final answer
    x = 164,327,782.50

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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.