Home / 570,737,609.57-787,621,932.29-309,977,225.57

Finding the Fourth Proportional to 570,737,609.57, 787,621,932.29 and 309,977,225.57

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Solution

The fourth proportional to 570,737,609.57, 787,621,932.29 and 309,977,225.57 is: 427,770,760.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,737,609.57 : 787,621,932.29 = 309,977,225.57 : x
  2. Step 2: Convert to fraction form
    570,737,609.57/787,621,932.29 = 309,977,225.57/x
  3. Step 3: Cross multiply
    570,737,609.57x = 787,621,932.29 × 309,977,225.57
  4. Step 4: Simplify right side
    570,737,609.57x = 244,144,861,367,786,688
  5. Step 5: Solve for x
    x = 244,144,861,367,786,688/570,737,609.57
  6. Step 6: Final answer
    x = 427,770,760.63

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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.