Home / 445,437,750.60-668,156,625.90-398,576,464.20

Finding the Fourth Proportional to 445,437,750.60, 668,156,625.90 and 398,576,464.20

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Solution

The fourth proportional to 445,437,750.60, 668,156,625.90 and 398,576,464.20 is: 597,864,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,437,750.60 : 668,156,625.90 = 398,576,464.20 : x
  2. Step 2: Convert to fraction form
    445,437,750.60/668,156,625.90 = 398,576,464.20/x
  3. Step 3: Cross multiply
    445,437,750.60x = 668,156,625.90 × 398,576,464.20
  4. Step 4: Simplify right side
    445,437,750.60x = 266,311,505,483,024,128
  5. Step 5: Solve for x
    x = 266,311,505,483,024,128/445,437,750.60
  6. Step 6: Final answer
    x = 597,864,696.30

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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.