Home / 626,996,647.26-865,150,785.63-348,500,305.62

Finding the Fourth Proportional to 626,996,647.26, 865,150,785.63 and 348,500,305.62

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Solution

The fourth proportional to 626,996,647.26, 865,150,785.63 and 348,500,305.62 is: 480,872,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,996,647.26 : 865,150,785.63 = 348,500,305.62 : x
  2. Step 2: Convert to fraction form
    626,996,647.26/865,150,785.63 = 348,500,305.62/x
  3. Step 3: Cross multiply
    626,996,647.26x = 865,150,785.63 × 348,500,305.62
  4. Step 4: Simplify right side
    626,996,647.26x = 301,505,313,199,438,080
  5. Step 5: Solve for x
    x = 301,505,313,199,438,080/626,996,647.26
  6. Step 6: Final answer
    x = 480,872,289.38

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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.