Home / 402,375,265.26-603,562,944.65-126,048,012.58

Finding the Fourth Proportional to 402,375,265.26, 603,562,944.65 and 126,048,012.58

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Solution

The fourth proportional to 402,375,265.26, 603,562,944.65 and 126,048,012.58 is: 189,072,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,375,265.26 : 603,562,944.65 = 126,048,012.58 : x
  2. Step 2: Convert to fraction form
    402,375,265.26/603,562,944.65 = 126,048,012.58/x
  3. Step 3: Cross multiply
    402,375,265.26x = 603,562,944.65 × 126,048,012.58
  4. Step 4: Simplify right side
    402,375,265.26x = 76,077,909,640,065,040
  5. Step 5: Solve for x
    x = 76,077,909,640,065,040/402,375,265.26
  6. Step 6: Final answer
    x = 189,072,033.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.