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Finding the Fourth Proportional to 488,552,648.40, 732,828,972.60 and 465,877,832.40

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Solution

The fourth proportional to 488,552,648.40, 732,828,972.60 and 465,877,832.40 is: 698,816,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,552,648.40 : 732,828,972.60 = 465,877,832.40 : x
  2. Step 2: Convert to fraction form
    488,552,648.40/732,828,972.60 = 465,877,832.40/x
  3. Step 3: Cross multiply
    488,552,648.40x = 732,828,972.60 × 465,877,832.40
  4. Step 4: Simplify right side
    488,552,648.40x = 341,408,773,274,806,976
  5. Step 5: Solve for x
    x = 341,408,773,274,806,976/488,552,648.40
  6. Step 6: Final answer
    x = 698,816,748.60

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