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Finding the Fourth Proportional to 889,757,999.70, 1,334,636,999.55 and 598,764,527.70

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Solution

The fourth proportional to 889,757,999.70, 1,334,636,999.55 and 598,764,527.70 is: 898,146,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,757,999.70 : 1,334,636,999.55 = 598,764,527.70 : x
  2. Step 2: Convert to fraction form
    889,757,999.70/1,334,636,999.55 = 598,764,527.70/x
  3. Step 3: Cross multiply
    889,757,999.70x = 1,334,636,999.55 × 598,764,527.70
  4. Step 4: Simplify right side
    889,757,999.70x = 799,133,292,686,500,864
  5. Step 5: Solve for x
    x = 799,133,292,686,500,864/889,757,999.70
  6. Step 6: Final answer
    x = 898,146,791.55

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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.