Home / 465,097,973,499.72-641,954,623,166.34-302,921,747,957.64

Finding the Fourth Proportional to 465,097,973,499.72, 641,954,623,166.34 and 302,921,747,957.64

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Solution

The fourth proportional to 465,097,973,499.72, 641,954,623,166.34 and 302,921,747,957.64 is: 418,109,791,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,097,973,499.72 : 641,954,623,166.34 = 302,921,747,957.64 : x
  2. Step 2: Convert to fraction form
    465,097,973,499.72/641,954,623,166.34 = 302,921,747,957.64/x
  3. Step 3: Cross multiply
    465,097,973,499.72x = 641,954,623,166.34 × 302,921,747,957.64
  4. Step 4: Simplify right side
    465,097,973,499.72x = 194,462,016,559,035,793,276,928
  5. Step 5: Solve for x
    x = 194,462,016,559,035,793,276,928/465,097,973,499.72
  6. Step 6: Final answer
    x = 418,109,791,138.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.