Home / 434,582,978.40-651,874,467.60-332,546,306.40

Finding the Fourth Proportional to 434,582,978.40, 651,874,467.60 and 332,546,306.40

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Solution

The fourth proportional to 434,582,978.40, 651,874,467.60 and 332,546,306.40 is: 498,819,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,582,978.40 : 651,874,467.60 = 332,546,306.40 : x
  2. Step 2: Convert to fraction form
    434,582,978.40/651,874,467.60 = 332,546,306.40/x
  3. Step 3: Cross multiply
    434,582,978.40x = 651,874,467.60 × 332,546,306.40
  4. Step 4: Simplify right side
    434,582,978.40x = 216,778,446,436,846,464
  5. Step 5: Solve for x
    x = 216,778,446,436,846,464/434,582,978.40
  6. Step 6: Final answer
    x = 498,819,459.60

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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.