Home / 3,974,852,814.62-5,485,225,720.28-2,166,380,972.54

Finding the Fourth Proportional to 3,974,852,814.62, 5,485,225,720.28 and 2,166,380,972.54

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Solution

The fourth proportional to 3,974,852,814.62, 5,485,225,720.28 and 2,166,380,972.54 is: 2,989,566,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,852,814.62 : 5,485,225,720.28 = 2,166,380,972.54 : x
  2. Step 2: Convert to fraction form
    3,974,852,814.62/5,485,225,720.28 = 2,166,380,972.54/x
  3. Step 3: Cross multiply
    3,974,852,814.62x = 5,485,225,720.28 × 2,166,380,972.54
  4. Step 4: Simplify right side
    3,974,852,814.62x = 11,883,088,630,501,607,424
  5. Step 5: Solve for x
    x = 11,883,088,630,501,607,424/3,974,852,814.62
  6. Step 6: Final answer
    x = 2,989,566,956.24

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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.