Home / 445,844,447.40-668,766,671.10-441,539,775.30

Finding the Fourth Proportional to 445,844,447.40, 668,766,671.10 and 441,539,775.30

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Solution

The fourth proportional to 445,844,447.40, 668,766,671.10 and 441,539,775.30 is: 662,309,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,844,447.40 : 668,766,671.10 = 441,539,775.30 : x
  2. Step 2: Convert to fraction form
    445,844,447.40/668,766,671.10 = 441,539,775.30/x
  3. Step 3: Cross multiply
    445,844,447.40x = 668,766,671.10 × 441,539,775.30
  4. Step 4: Simplify right side
    445,844,447.40x = 295,287,085,685,623,040
  5. Step 5: Solve for x
    x = 295,287,085,685,623,040/445,844,447.40
  6. Step 6: Final answer
    x = 662,309,662.95

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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.