Home / 510,744,698.40-766,216,580.40-203,984,608.80

Finding the Fourth Proportional to 510,744,698.40, 766,216,580.40 and 203,984,608.80

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Solution

The fourth proportional to 510,744,698.40, 766,216,580.40 and 203,984,608.80 is: 306,016,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,744,698.40 : 766,216,580.40 = 203,984,608.80 : x
  2. Step 2: Convert to fraction form
    510,744,698.40/766,216,580.40 = 203,984,608.80/x
  3. Step 3: Cross multiply
    510,744,698.40x = 766,216,580.40 × 203,984,608.80
  4. Step 4: Simplify right side
    510,744,698.40x = 156,296,389,408,967,744
  5. Step 5: Solve for x
    x = 156,296,389,408,967,744/510,744,698.40
  6. Step 6: Final answer
    x = 306,016,665.27

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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.