Home / 1,373,337,843.76-1,895,256,063.48-786,740,353.84

Finding the Fourth Proportional to 1,373,337,843.76, 1,895,256,063.48 and 786,740,353.84

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Solution

The fourth proportional to 1,373,337,843.76, 1,895,256,063.48 and 786,740,353.84 is: 1,085,730,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,337,843.76 : 1,895,256,063.48 = 786,740,353.84 : x
  2. Step 2: Convert to fraction form
    1,373,337,843.76/1,895,256,063.48 = 786,740,353.84/x
  3. Step 3: Cross multiply
    1,373,337,843.76x = 1,895,256,063.48 × 786,740,353.84
  4. Step 4: Simplify right side
    1,373,337,843.76x = 1,491,074,425,999,660,800
  5. Step 5: Solve for x
    x = 1,491,074,425,999,660,800/1,373,337,843.76
  6. Step 6: Final answer
    x = 1,085,730,239.49

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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.