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Finding the Fourth Proportional to 788,830,350.60, 1,180,978,044.30 and 482,720,334.60

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Solution

The fourth proportional to 788,830,350.60, 1,180,978,044.30 and 482,720,334.60 is: 722,692,929.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,830,350.60 : 1,180,978,044.30 = 482,720,334.60 : x
  2. Step 2: Convert to fraction form
    788,830,350.60/1,180,978,044.30 = 482,720,334.60/x
  3. Step 3: Cross multiply
    788,830,350.60x = 1,180,978,044.30 × 482,720,334.60
  4. Step 4: Simplify right side
    788,830,350.60x = 570,082,116,699,749,632
  5. Step 5: Solve for x
    x = 570,082,116,699,749,632/788,830,350.60
  6. Step 6: Final answer
    x = 722,692,929.18

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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.