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Finding the Fourth Proportional to 788,385,270.72, 1,087,978,722.98 and 435,984,972.15

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Solution

The fourth proportional to 788,385,270.72, 1,087,978,722.98 and 435,984,972.15 is: 601,663,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,385,270.72 : 1,087,978,722.98 = 435,984,972.15 : x
  2. Step 2: Convert to fraction form
    788,385,270.72/1,087,978,722.98 = 435,984,972.15/x
  3. Step 3: Cross multiply
    788,385,270.72x = 1,087,978,722.98 × 435,984,972.15
  4. Step 4: Simplify right side
    788,385,270.72x = 474,342,373,236,047,872
  5. Step 5: Solve for x
    x = 474,342,373,236,047,872/788,385,270.72
  6. Step 6: Final answer
    x = 601,663,159.95

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