Home / 217,789,261.60-326,683,892.40-197,633,869.60

Finding the Fourth Proportional to 217,789,261.60, 326,683,892.40 and 197,633,869.60

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Solution

The fourth proportional to 217,789,261.60, 326,683,892.40 and 197,633,869.60 is: 296,450,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,789,261.60 : 326,683,892.40 = 197,633,869.60 : x
  2. Step 2: Convert to fraction form
    217,789,261.60/326,683,892.40 = 197,633,869.60/x
  3. Step 3: Cross multiply
    217,789,261.60x = 326,683,892.40 × 197,633,869.60
  4. Step 4: Simplify right side
    217,789,261.60x = 64,563,801,791,002,024
  5. Step 5: Solve for x
    x = 64,563,801,791,002,024/217,789,261.60
  6. Step 6: Final answer
    x = 296,450,804.40

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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.