Home / 354,620,455.60-531,930,683.40-218,571,559.60

Finding the Fourth Proportional to 354,620,455.60, 531,930,683.40 and 218,571,559.60

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Solution

The fourth proportional to 354,620,455.60, 531,930,683.40 and 218,571,559.60 is: 327,857,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,620,455.60 : 531,930,683.40 = 218,571,559.60 : x
  2. Step 2: Convert to fraction form
    354,620,455.60/531,930,683.40 = 218,571,559.60/x
  3. Step 3: Cross multiply
    354,620,455.60x = 531,930,683.40 × 218,571,559.60
  4. Step 4: Simplify right side
    354,620,455.60x = 116,264,919,069,831,824
  5. Step 5: Solve for x
    x = 116,264,919,069,831,824/354,620,455.60
  6. Step 6: Final answer
    x = 327,857,339.40

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Why These Related Problems?

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