Home / 830,034,819.96-1,245,270,287.88-298,299,930.30

Finding the Fourth Proportional to 830,034,819.96, 1,245,270,287.88 and 298,299,930.30

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Solution

The fourth proportional to 830,034,819.96, 1,245,270,287.88 and 298,299,930.30 is: 447,528,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,034,819.96 : 1,245,270,287.88 = 298,299,930.30 : x
  2. Step 2: Convert to fraction form
    830,034,819.96/1,245,270,287.88 = 298,299,930.30/x
  3. Step 3: Cross multiply
    830,034,819.96x = 1,245,270,287.88 × 298,299,930.30
  4. Step 4: Simplify right side
    830,034,819.96x = 371,464,040,079,264,960
  5. Step 5: Solve for x
    x = 371,464,040,079,264,960/830,034,819.96
  6. Step 6: Final answer
    x = 447,528,261.64

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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.