Home / 531,779,134.60-733,977,649.82-311,833,419.40

Finding the Fourth Proportional to 531,779,134.60, 733,977,649.82 and 311,833,419.40

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Solution

The fourth proportional to 531,779,134.60, 733,977,649.82 and 311,833,419.40 is: 430,401,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,779,134.60 : 733,977,649.82 = 311,833,419.40 : x
  2. Step 2: Convert to fraction form
    531,779,134.60/733,977,649.82 = 311,833,419.40/x
  3. Step 3: Cross multiply
    531,779,134.60x = 733,977,649.82 × 311,833,419.40
  4. Step 4: Simplify right side
    531,779,134.60x = 228,878,760,301,317,344
  5. Step 5: Solve for x
    x = 228,878,760,301,317,344/531,779,134.60
  6. Step 6: Final answer
    x = 430,401,919.54

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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.