Home / 443,232,028.80-664,848,043.20-437,185,411.20

Finding the Fourth Proportional to 443,232,028.80, 664,848,043.20 and 437,185,411.20

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Solution

The fourth proportional to 443,232,028.80, 664,848,043.20 and 437,185,411.20 is: 655,778,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,028.80 : 664,848,043.20 = 437,185,411.20 : x
  2. Step 2: Convert to fraction form
    443,232,028.80/664,848,043.20 = 437,185,411.20/x
  3. Step 3: Cross multiply
    443,232,028.80x = 664,848,043.20 × 437,185,411.20
  4. Step 4: Simplify right side
    443,232,028.80x = 290,661,865,151,907,392
  5. Step 5: Solve for x
    x = 290,661,865,151,907,392/443,232,028.80
  6. Step 6: Final answer
    x = 655,778,116.80

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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.