Home / 506,380,067.36-698,833,779.92-283,359,801.96

Finding the Fourth Proportional to 506,380,067.36, 698,833,779.92 and 283,359,801.96

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Solution

The fourth proportional to 506,380,067.36, 698,833,779.92 and 283,359,801.96 is: 391,052,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,380,067.36 : 698,833,779.92 = 283,359,801.96 : x
  2. Step 2: Convert to fraction form
    506,380,067.36/698,833,779.92 = 283,359,801.96/x
  3. Step 3: Cross multiply
    506,380,067.36x = 698,833,779.92 × 283,359,801.96
  4. Step 4: Simplify right side
    506,380,067.36x = 198,021,401,481,089,408
  5. Step 5: Solve for x
    x = 198,021,401,481,089,408/506,380,067.36
  6. Step 6: Final answer
    x = 391,052,915.08

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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.