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Finding the Fourth Proportional to 458,481,605.60, 687,722,408.40 and 416,155,282.40

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Solution

The fourth proportional to 458,481,605.60, 687,722,408.40 and 416,155,282.40 is: 624,232,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,481,605.60 : 687,722,408.40 = 416,155,282.40 : x
  2. Step 2: Convert to fraction form
    458,481,605.60/687,722,408.40 = 416,155,282.40/x
  3. Step 3: Cross multiply
    458,481,605.60x = 687,722,408.40 × 416,155,282.40
  4. Step 4: Simplify right side
    458,481,605.60x = 286,199,313,080,510,112
  5. Step 5: Solve for x
    x = 286,199,313,080,510,112/458,481,605.60
  6. Step 6: Final answer
    x = 624,232,923.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.