Home / 885,346,412.60-1,328,019,618.90-271,929,654.20

Finding the Fourth Proportional to 885,346,412.60, 1,328,019,618.90 and 271,929,654.20

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Solution

The fourth proportional to 885,346,412.60, 1,328,019,618.90 and 271,929,654.20 is: 407,894,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,346,412.60 : 1,328,019,618.90 = 271,929,654.20 : x
  2. Step 2: Convert to fraction form
    885,346,412.60/1,328,019,618.90 = 271,929,654.20/x
  3. Step 3: Cross multiply
    885,346,412.60x = 1,328,019,618.90 × 271,929,654.20
  4. Step 4: Simplify right side
    885,346,412.60x = 361,127,915,738,292,800
  5. Step 5: Solve for x
    x = 361,127,915,738,292,800/885,346,412.60
  6. Step 6: Final answer
    x = 407,894,481.30

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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.