Home / 648,658,973,474.10-972,307,357,414.75-218,246,630,435.64

Finding the Fourth Proportional to 648,658,973,474.10, 972,307,357,414.75 and 218,246,630,435.64

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Solution

The fourth proportional to 648,658,973,474.10, 972,307,357,414.75 and 218,246,630,435.64 is: 327,140,783,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,658,973,474.10 : 972,307,357,414.75 = 218,246,630,435.64 : x
  2. Step 2: Convert to fraction form
    648,658,973,474.10/972,307,357,414.75 = 218,246,630,435.64/x
  3. Step 3: Cross multiply
    648,658,973,474.10x = 972,307,357,414.75 × 218,246,630,435.64
  4. Step 4: Simplify right side
    648,658,973,474.10x = 212,202,804,503,550,676,172,800
  5. Step 5: Solve for x
    x = 212,202,804,503,550,676,172,800/648,658,973,474.10
  6. Step 6: Final answer
    x = 327,140,783,032.77

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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.