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Finding the Fourth Proportional to 532,778,978.40, 799,159,655.88 and 159,287,735.76

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Solution

The fourth proportional to 532,778,978.40, 799,159,655.88 and 159,287,735.76 is: 238,928,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,778,978.40 : 799,159,655.88 = 159,287,735.76 : x
  2. Step 2: Convert to fraction form
    532,778,978.40/799,159,655.88 = 159,287,735.76/x
  3. Step 3: Cross multiply
    532,778,978.40x = 799,159,655.88 × 159,287,735.76
  4. Step 4: Simplify right side
    532,778,978.40x = 127,296,332,095,865,968
  5. Step 5: Solve for x
    x = 127,296,332,095,865,968/532,778,978.40
  6. Step 6: Final answer
    x = 238,928,969.15

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