Home / 824,066,512.35-1,236,099,768.53-278,808,046.35

Finding the Fourth Proportional to 824,066,512.35, 1,236,099,768.53 and 278,808,046.35

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Solution

The fourth proportional to 824,066,512.35, 1,236,099,768.53 and 278,808,046.35 is: 418,212,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,066,512.35 : 1,236,099,768.53 = 278,808,046.35 : x
  2. Step 2: Convert to fraction form
    824,066,512.35/1,236,099,768.53 = 278,808,046.35/x
  3. Step 3: Cross multiply
    824,066,512.35x = 1,236,099,768.53 × 278,808,046.35
  4. Step 4: Simplify right side
    824,066,512.35x = 344,634,561,556,142,528
  5. Step 5: Solve for x
    x = 344,634,561,556,142,528/824,066,512.35
  6. Step 6: Final answer
    x = 418,212,069.53

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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.