Home / 352,511,712.40-528,767,568.60-328,623,840.40

Finding the Fourth Proportional to 352,511,712.40, 528,767,568.60 and 328,623,840.40

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Solution

The fourth proportional to 352,511,712.40, 528,767,568.60 and 328,623,840.40 is: 492,935,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,511,712.40 : 528,767,568.60 = 328,623,840.40 : x
  2. Step 2: Convert to fraction form
    352,511,712.40/528,767,568.60 = 328,623,840.40/x
  3. Step 3: Cross multiply
    352,511,712.40x = 528,767,568.60 × 328,623,840.40
  4. Step 4: Simplify right side
    352,511,712.40x = 173,765,629,072,302,432
  5. Step 5: Solve for x
    x = 173,765,629,072,302,432/352,511,712.40
  6. Step 6: Final answer
    x = 492,935,760.60

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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.