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Finding the Fourth Proportional to 652,098,846.80, 978,148,270.20 and 434,420,613.20

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Solution

The fourth proportional to 652,098,846.80, 978,148,270.20 and 434,420,613.20 is: 651,630,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,098,846.80 : 978,148,270.20 = 434,420,613.20 : x
  2. Step 2: Convert to fraction form
    652,098,846.80/978,148,270.20 = 434,420,613.20/x
  3. Step 3: Cross multiply
    652,098,846.80x = 978,148,270.20 × 434,420,613.20
  4. Step 4: Simplify right side
    652,098,846.80x = 424,927,771,340,803,264
  5. Step 5: Solve for x
    x = 424,927,771,340,803,264/652,098,846.80
  6. Step 6: Final answer
    x = 651,630,919.80

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