Home / 252,744,783.60-379,117,175.40-206,828,281.20

Finding the Fourth Proportional to 252,744,783.60, 379,117,175.40 and 206,828,281.20

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Solution

The fourth proportional to 252,744,783.60, 379,117,175.40 and 206,828,281.20 is: 310,242,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,744,783.60 : 379,117,175.40 = 206,828,281.20 : x
  2. Step 2: Convert to fraction form
    252,744,783.60/379,117,175.40 = 206,828,281.20/x
  3. Step 3: Cross multiply
    252,744,783.60x = 379,117,175.40 × 206,828,281.20
  4. Step 4: Simplify right side
    252,744,783.60x = 78,412,153,761,380,912
  5. Step 5: Solve for x
    x = 78,412,153,761,380,912/252,744,783.60
  6. Step 6: Final answer
    x = 310,242,421.80

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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.