Home / 511,201,334.60-766,802,001.90-306,624,105.80

Finding the Fourth Proportional to 511,201,334.60, 766,802,001.90 and 306,624,105.80

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Solution

The fourth proportional to 511,201,334.60, 766,802,001.90 and 306,624,105.80 is: 459,936,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,201,334.60 : 766,802,001.90 = 306,624,105.80 : x
  2. Step 2: Convert to fraction form
    511,201,334.60/766,802,001.90 = 306,624,105.80/x
  3. Step 3: Cross multiply
    511,201,334.60x = 766,802,001.90 × 306,624,105.80
  4. Step 4: Simplify right side
    511,201,334.60x = 235,119,978,158,237,408
  5. Step 5: Solve for x
    x = 235,119,978,158,237,408/511,201,334.60
  6. Step 6: Final answer
    x = 459,936,158.70

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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.