Home / 522,319,704.81-720,393,181.76-323,969,980.38

Finding the Fourth Proportional to 522,319,704.81, 720,393,181.76 and 323,969,980.38

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Solution

The fourth proportional to 522,319,704.81, 720,393,181.76 and 323,969,980.38 is: 446,825,503.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,319,704.81 : 720,393,181.76 = 323,969,980.38 : x
  2. Step 2: Convert to fraction form
    522,319,704.81/720,393,181.76 = 323,969,980.38/x
  3. Step 3: Cross multiply
    522,319,704.81x = 720,393,181.76 × 323,969,980.38
  4. Step 4: Simplify right side
    522,319,704.81x = 233,385,764,959,053,120
  5. Step 5: Solve for x
    x = 233,385,764,959,053,120/522,319,704.81
  6. Step 6: Final answer
    x = 446,825,503.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.