Home / 531,779,136.35-733,977,652.23-311,833,421.15

Finding the Fourth Proportional to 531,779,136.35, 733,977,652.23 and 311,833,421.15

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Solution

The fourth proportional to 531,779,136.35, 733,977,652.23 and 311,833,421.15 is: 430,401,921.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,779,136.35 : 733,977,652.23 = 311,833,421.15 : x
  2. Step 2: Convert to fraction form
    531,779,136.35/733,977,652.23 = 311,833,421.15/x
  3. Step 3: Cross multiply
    531,779,136.35x = 733,977,652.23 × 311,833,421.15
  4. Step 4: Simplify right side
    531,779,136.35x = 228,878,762,338,855,936
  5. Step 5: Solve for x
    x = 228,878,762,338,855,936/531,779,136.35
  6. Step 6: Final answer
    x = 430,401,921.96

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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.