Home / 376,421,090.40-564,631,635.60-298,936,992.60

Finding the Fourth Proportional to 376,421,090.40, 564,631,635.60 and 298,936,992.60

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Solution

The fourth proportional to 376,421,090.40, 564,631,635.60 and 298,936,992.60 is: 448,405,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,421,090.40 : 564,631,635.60 = 298,936,992.60 : x
  2. Step 2: Convert to fraction form
    376,421,090.40/564,631,635.60 = 298,936,992.60/x
  3. Step 3: Cross multiply
    376,421,090.40x = 564,631,635.60 × 298,936,992.60
  4. Step 4: Simplify right side
    376,421,090.40x = 168,789,283,073,083,104
  5. Step 5: Solve for x
    x = 168,789,283,073,083,104/376,421,090.40
  6. Step 6: Final answer
    x = 448,405,488.90

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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.