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Finding the Fourth Proportional to 598,765,664.40, 898,279,133.40 and 340,104,800.40

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Solution

The fourth proportional to 598,765,664.40, 898,279,133.40 and 340,104,800.40 is: 510,231,403.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,765,664.40 : 898,279,133.40 = 340,104,800.40 : x
  2. Step 2: Convert to fraction form
    598,765,664.40/898,279,133.40 = 340,104,800.40/x
  3. Step 3: Cross multiply
    598,765,664.40x = 898,279,133.40 × 340,104,800.40
  4. Step 4: Simplify right side
    598,765,664.40x = 305,509,045,368,491,968
  5. Step 5: Solve for x
    x = 305,509,045,368,491,968/598,765,664.40
  6. Step 6: Final answer
    x = 510,231,403.59

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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.