Home / 494,778,077.22-682,912,656.40-283,207,567.73

Finding the Fourth Proportional to 494,778,077.22, 682,912,656.40 and 283,207,567.73

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Solution

The fourth proportional to 494,778,077.22, 682,912,656.40 and 283,207,567.73 is: 390,894,506.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,778,077.22 : 682,912,656.40 = 283,207,567.73 : x
  2. Step 2: Convert to fraction form
    494,778,077.22/682,912,656.40 = 283,207,567.73/x
  3. Step 3: Cross multiply
    494,778,077.22x = 682,912,656.40 × 283,207,567.73
  4. Step 4: Simplify right side
    494,778,077.22x = 193,406,032,387,492,736
  5. Step 5: Solve for x
    x = 193,406,032,387,492,736/494,778,077.22
  6. Step 6: Final answer
    x = 390,894,506.63

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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.