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Finding the Fourth Proportional to 468,649,333.20, 702,973,999.80 and 392,688,699.60

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Solution

The fourth proportional to 468,649,333.20, 702,973,999.80 and 392,688,699.60 is: 589,033,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,649,333.20 : 702,973,999.80 = 392,688,699.60 : x
  2. Step 2: Convert to fraction form
    468,649,333.20/702,973,999.80 = 392,688,699.60/x
  3. Step 3: Cross multiply
    468,649,333.20x = 702,973,999.80 × 392,688,699.60
  4. Step 4: Simplify right side
    468,649,333.20x = 276,049,945,834,072,672
  5. Step 5: Solve for x
    x = 276,049,945,834,072,672/468,649,333.20
  6. Step 6: Final answer
    x = 589,033,049.40

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