Home / 677,585,312,020.14-935,084,498,587.53-368,953,590,760.47

Finding the Fourth Proportional to 677,585,312,020.14, 935,084,498,587.53 and 368,953,590,760.47

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Solution

The fourth proportional to 677,585,312,020.14, 935,084,498,587.53 and 368,953,590,760.47 is: 509,165,085,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,585,312,020.14 : 935,084,498,587.53 = 368,953,590,760.47 : x
  2. Step 2: Convert to fraction form
    677,585,312,020.14/935,084,498,587.53 = 368,953,590,760.47/x
  3. Step 3: Cross multiply
    677,585,312,020.14x = 935,084,498,587.53 × 368,953,590,760.47
  4. Step 4: Simplify right side
    677,585,312,020.14x = 345,002,783,418,322,843,074,560
  5. Step 5: Solve for x
    x = 345,002,783,418,322,843,074,560/677,585,312,020.14
  6. Step 6: Final answer
    x = 509,165,085,632.89

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Double scale
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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.