Home / 65,192,369,762.24-97,788,432,496.80-20,427,293,401.28

Finding the Fourth Proportional to 65,192,369,762.24, 97,788,432,496.80 and 20,427,293,401.28

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Solution

The fourth proportional to 65,192,369,762.24, 97,788,432,496.80 and 20,427,293,401.28 is: 30,640,901,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,192,369,762.24 : 97,788,432,496.80 = 20,427,293,401.28 : x
  2. Step 2: Convert to fraction form
    65,192,369,762.24/97,788,432,496.80 = 20,427,293,401.28/x
  3. Step 3: Cross multiply
    65,192,369,762.24x = 97,788,432,496.80 × 20,427,293,401.28
  4. Step 4: Simplify right side
    65,192,369,762.24x = 1,997,553,001,863,397,244,928
  5. Step 5: Solve for x
    x = 1,997,553,001,863,397,244,928/65,192,369,762.24
  6. Step 6: Final answer
    x = 30,640,901,828.67

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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.