Home / 443,329,647,594.30-664,927,280,811.05-120,657,605,643.32

Finding the Fourth Proportional to 443,329,647,594.30, 664,927,280,811.05 and 120,657,605,643.32

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Solution

The fourth proportional to 443,329,647,594.30, 664,927,280,811.05 and 120,657,605,643.32 is: 180,968,121,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,329,647,594.30 : 664,927,280,811.05 = 120,657,605,643.32 : x
  2. Step 2: Convert to fraction form
    443,329,647,594.30/664,927,280,811.05 = 120,657,605,643.32/x
  3. Step 3: Cross multiply
    443,329,647,594.30x = 664,927,280,811.05 × 120,657,605,643.32
  4. Step 4: Simplify right side
    443,329,647,594.30x = 80,228,533,629,584,771,383,296
  5. Step 5: Solve for x
    x = 80,228,533,629,584,771,383,296/443,329,647,594.30
  6. Step 6: Final answer
    x = 180,968,121,723.73

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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.