Home / 342,452,980.20-512,829,164.70-274,428,532.20

Finding the Fourth Proportional to 342,452,980.20, 512,829,164.70 and 274,428,532.20

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Solution

The fourth proportional to 342,452,980.20, 512,829,164.70 and 274,428,532.20 is: 410,961,396.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,452,980.20 : 512,829,164.70 = 274,428,532.20 : x
  2. Step 2: Convert to fraction form
    342,452,980.20/512,829,164.70 = 274,428,532.20/x
  3. Step 3: Cross multiply
    342,452,980.20x = 512,829,164.70 × 274,428,532.20
  4. Step 4: Simplify right side
    342,452,980.20x = 140,734,954,937,973,040
  5. Step 5: Solve for x
    x = 140,734,954,937,973,040/342,452,980.20
  6. Step 6: Final answer
    x = 410,961,396.38

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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.