Home / 680,366,766.60-1,019,721,043.44-352,661,612.76

Finding the Fourth Proportional to 680,366,766.60, 1,019,721,043.44 and 352,661,612.76

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Solution

The fourth proportional to 680,366,766.60, 1,019,721,043.44 and 352,661,612.76 is: 528,562,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,366,766.60 : 1,019,721,043.44 = 352,661,612.76 : x
  2. Step 2: Convert to fraction form
    680,366,766.60/1,019,721,043.44 = 352,661,612.76/x
  3. Step 3: Cross multiply
    680,366,766.60x = 1,019,721,043.44 × 352,661,612.76
  4. Step 4: Simplify right side
    680,366,766.60x = 359,616,467,744,860,416
  5. Step 5: Solve for x
    x = 359,616,467,744,860,416/680,366,766.60
  6. Step 6: Final answer
    x = 528,562,659.73

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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.