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Finding the Fourth Proportional to 982,194,751.96, 1,355,443,051.79 and 558,799,300.59

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Solution

The fourth proportional to 982,194,751.96, 1,355,443,051.79 and 558,799,300.59 is: 771,151,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,194,751.96 : 1,355,443,051.79 = 558,799,300.59 : x
  2. Step 2: Convert to fraction form
    982,194,751.96/1,355,443,051.79 = 558,799,300.59/x
  3. Step 3: Cross multiply
    982,194,751.96x = 1,355,443,051.79 × 558,799,300.59
  4. Step 4: Simplify right side
    982,194,751.96x = 757,420,629,332,403,584
  5. Step 5: Solve for x
    x = 757,420,629,332,403,584/982,194,751.96
  6. Step 6: Final answer
    x = 771,151,167.14

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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.