Home / 443,232,017.20-664,848,025.80-201,367,313.20

Finding the Fourth Proportional to 443,232,017.20, 664,848,025.80 and 201,367,313.20

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Solution

The fourth proportional to 443,232,017.20, 664,848,025.80 and 201,367,313.20 is: 302,050,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,017.20 : 664,848,025.80 = 201,367,313.20 : x
  2. Step 2: Convert to fraction form
    443,232,017.20/664,848,025.80 = 201,367,313.20/x
  3. Step 3: Cross multiply
    443,232,017.20x = 664,848,025.80 × 201,367,313.20
  4. Step 4: Simplify right side
    443,232,017.20x = 133,878,660,641,670,256
  5. Step 5: Solve for x
    x = 133,878,660,641,670,256/443,232,017.20
  6. Step 6: Final answer
    x = 302,050,969.80

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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.