Home / 4,759,823,404.50-7,139,765,531.53-1,398,380,629.68

Finding the Fourth Proportional to 4,759,823,404.50, 7,139,765,531.53 and 1,398,380,629.68

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Solution

The fourth proportional to 4,759,823,404.50, 7,139,765,531.53 and 1,398,380,629.68 is: 2,097,579,882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759,823,404.50 : 7,139,765,531.53 = 1,398,380,629.68 : x
  2. Step 2: Convert to fraction form
    4,759,823,404.50/7,139,765,531.53 = 1,398,380,629.68/x
  3. Step 3: Cross multiply
    4,759,823,404.50x = 7,139,765,531.53 × 1,398,380,629.68
  4. Step 4: Simplify right side
    4,759,823,404.50x = 9,984,109,819,737,786,368
  5. Step 5: Solve for x
    x = 9,984,109,819,737,786,368/4,759,823,404.50
  6. Step 6: Final answer
    x = 2,097,579,882.96

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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.