Home / 648,658,973,475.10-972,307,357,416.25-218,246,630,436.64

Finding the Fourth Proportional to 648,658,973,475.10, 972,307,357,416.25 and 218,246,630,436.64

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Solution

The fourth proportional to 648,658,973,475.10, 972,307,357,416.25 and 218,246,630,436.64 is: 327,140,783,034.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,658,973,475.10 : 972,307,357,416.25 = 218,246,630,436.64 : x
  2. Step 2: Convert to fraction form
    648,658,973,475.10/972,307,357,416.25 = 218,246,630,436.64/x
  3. Step 3: Cross multiply
    648,658,973,475.10x = 972,307,357,416.25 × 218,246,630,436.64
  4. Step 4: Simplify right side
    648,658,973,475.10x = 212,202,804,504,850,373,541,888
  5. Step 5: Solve for x
    x = 212,202,804,504,850,373,541,888/648,658,973,475.10
  6. Step 6: Final answer
    x = 327,140,783,034.27

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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.