Home / 610,932,937.48-843,265,109.76-399,271,609.04

Finding the Fourth Proportional to 610,932,937.48, 843,265,109.76 and 399,271,609.04

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Solution

The fourth proportional to 610,932,937.48, 843,265,109.76 and 399,271,609.04 is: 551,110,926.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,932,937.48 : 843,265,109.76 = 399,271,609.04 : x
  2. Step 2: Convert to fraction form
    610,932,937.48/843,265,109.76 = 399,271,609.04/x
  3. Step 3: Cross multiply
    610,932,937.48x = 843,265,109.76 × 399,271,609.04
  4. Step 4: Simplify right side
    610,932,937.48x = 336,691,817,221,167,424
  5. Step 5: Solve for x
    x = 336,691,817,221,167,424/610,932,937.48
  6. Step 6: Final answer
    x = 551,110,926.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.