Home / 531,779,136.60-733,977,652.58-311,833,421.40

Finding the Fourth Proportional to 531,779,136.60, 733,977,652.58 and 311,833,421.40

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Solution

The fourth proportional to 531,779,136.60, 733,977,652.58 and 311,833,421.40 is: 430,401,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,779,136.60 : 733,977,652.58 = 311,833,421.40 : x
  2. Step 2: Convert to fraction form
    531,779,136.60/733,977,652.58 = 311,833,421.40/x
  3. Step 3: Cross multiply
    531,779,136.60x = 733,977,652.58 × 311,833,421.40
  4. Step 4: Simplify right side
    531,779,136.60x = 228,878,762,635,161,920
  5. Step 5: Solve for x
    x = 228,878,762,635,161,920/531,779,136.60
  6. Step 6: Final answer
    x = 430,401,922.31

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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.