Home / 443,232,037.80-664,848,056.70-279,973,362.60

Finding the Fourth Proportional to 443,232,037.80, 664,848,056.70 and 279,973,362.60

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Solution

The fourth proportional to 443,232,037.80, 664,848,056.70 and 279,973,362.60 is: 419,960,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,037.80 : 664,848,056.70 = 279,973,362.60 : x
  2. Step 2: Convert to fraction form
    443,232,037.80/664,848,056.70 = 279,973,362.60/x
  3. Step 3: Cross multiply
    443,232,037.80x = 664,848,056.70 × 279,973,362.60
  4. Step 4: Simplify right side
    443,232,037.80x = 186,139,746,052,374,496
  5. Step 5: Solve for x
    x = 186,139,746,052,374,496/443,232,037.80
  6. Step 6: Final answer
    x = 419,960,043.90

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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.