Home / 580,732,684.12-801,401,012.94-316,416,849.40

Finding the Fourth Proportional to 580,732,684.12, 801,401,012.94 and 316,416,849.40

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Solution

The fourth proportional to 580,732,684.12, 801,401,012.94 and 316,416,849.40 is: 436,649,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,732,684.12 : 801,401,012.94 = 316,416,849.40 : x
  2. Step 2: Convert to fraction form
    580,732,684.12/801,401,012.94 = 316,416,849.40/x
  3. Step 3: Cross multiply
    580,732,684.12x = 801,401,012.94 × 316,416,849.40
  4. Step 4: Simplify right side
    580,732,684.12x = 253,576,783,620,443,424
  5. Step 5: Solve for x
    x = 253,576,783,620,443,424/580,732,684.12
  6. Step 6: Final answer
    x = 436,649,753.93

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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.