Home / 765,178,216,668.30-1,055,939,663,664.10-417,948,717,009.24

Finding the Fourth Proportional to 765,178,216,668.30, 1,055,939,663,664.10 and 417,948,717,009.24

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Solution

The fourth proportional to 765,178,216,668.30, 1,055,939,663,664.10 and 417,948,717,009.24 is: 576,765,801,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,178,216,668.30 : 1,055,939,663,664.10 = 417,948,717,009.24 : x
  2. Step 2: Convert to fraction form
    765,178,216,668.30/1,055,939,663,664.10 = 417,948,717,009.24/x
  3. Step 3: Cross multiply
    765,178,216,668.30x = 1,055,939,663,664.10 × 417,948,717,009.24
  4. Step 4: Simplify right side
    765,178,216,668.30x = 441,328,627,667,578,981,974,016
  5. Step 5: Solve for x
    x = 441,328,627,667,578,981,974,016/765,178,216,668.30
  6. Step 6: Final answer
    x = 576,765,801,814.37

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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.