Home / 57,243,924,309.12-85,905,108,792.48-19,978,916,014.56

Finding the Fourth Proportional to 57,243,924,309.12, 85,905,108,792.48 and 19,978,916,014.56

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Solution

The fourth proportional to 57,243,924,309.12, 85,905,108,792.48 and 19,978,916,014.56 is: 29,982,063,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,243,924,309.12 : 85,905,108,792.48 = 19,978,916,014.56 : x
  2. Step 2: Convert to fraction form
    57,243,924,309.12/85,905,108,792.48 = 19,978,916,014.56/x
  3. Step 3: Cross multiply
    57,243,924,309.12x = 85,905,108,792.48 × 19,978,916,014.56
  4. Step 4: Simplify right side
    57,243,924,309.12x = 1,716,290,953,786,597,834,752
  5. Step 5: Solve for x
    x = 1,716,290,953,786,597,834,752/57,243,924,309.12
  6. Step 6: Final answer
    x = 29,982,063,153.44

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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.