Home / 1,147,596,125.75-1,721,388,410.57-448,159,287.18

Finding the Fourth Proportional to 1,147,596,125.75, 1,721,388,410.57 and 448,159,287.18

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Solution

The fourth proportional to 1,147,596,125.75, 1,721,388,410.57 and 448,159,287.18 is: 672,236,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,596,125.75 : 1,721,388,410.57 = 448,159,287.18 : x
  2. Step 2: Convert to fraction form
    1,147,596,125.75/1,721,388,410.57 = 448,159,287.18/x
  3. Step 3: Cross multiply
    1,147,596,125.75x = 1,721,388,410.57 × 448,159,287.18
  4. Step 4: Simplify right side
    1,147,596,125.75x = 771,456,203,042,084,736
  5. Step 5: Solve for x
    x = 771,456,203,042,084,736/1,147,596,125.75
  6. Step 6: Final answer
    x = 672,236,674.33

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Double scale
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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.