Home / 1,196,453,672.89-1,794,501,000.36-378,459,685.69

Finding the Fourth Proportional to 1,196,453,672.89, 1,794,501,000.36 and 378,459,685.69

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Solution

The fourth proportional to 1,196,453,672.89, 1,794,501,000.36 and 378,459,685.69 is: 567,632,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,453,672.89 : 1,794,501,000.36 = 378,459,685.69 : x
  2. Step 2: Convert to fraction form
    1,196,453,672.89/1,794,501,000.36 = 378,459,685.69/x
  3. Step 3: Cross multiply
    1,196,453,672.89x = 1,794,501,000.36 × 378,459,685.69
  4. Step 4: Simplify right side
    1,196,453,672.89x = 679,146,284,562,149,888
  5. Step 5: Solve for x
    x = 679,146,284,562,149,888/1,196,453,672.89
  6. Step 6: Final answer
    x = 567,632,746.63

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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.