Home / 1,212,897,087.24-1,673,797,937.46-655,980,120.84

Finding the Fourth Proportional to 1,212,897,087.24, 1,673,797,937.46 and 655,980,120.84

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Solution

The fourth proportional to 1,212,897,087.24, 1,673,797,937.46 and 655,980,120.84 is: 905,252,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,897,087.24 : 1,673,797,937.46 = 655,980,120.84 : x
  2. Step 2: Convert to fraction form
    1,212,897,087.24/1,673,797,937.46 = 655,980,120.84/x
  3. Step 3: Cross multiply
    1,212,897,087.24x = 1,673,797,937.46 × 655,980,120.84
  4. Step 4: Simplify right side
    1,212,897,087.24x = 1,097,978,173,276,753,664
  5. Step 5: Solve for x
    x = 1,097,978,173,276,753,664/1,212,897,087.24
  6. Step 6: Final answer
    x = 905,252,543.54

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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.