Home / 38,986,929,554,451-53,802,450,316,391-21,430,168,150,947

Finding the Fourth Proportional to 38,986,929,554,451, 53,802,450,316,391 and 21,430,168,150,947

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Solution

The fourth proportional to 38,986,929,554,451, 53,802,450,316,391 and 21,430,168,150,947 is: 29,573,900,032,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986,929,554,451 : 53,802,450,316,391 = 21,430,168,150,947 : x
  2. Step 2: Convert to fraction form
    38,986,929,554,451/53,802,450,316,391 = 21,430,168,150,947/x
  3. Step 3: Cross multiply
    38,986,929,554,451x = 53,802,450,316,391 × 21,430,168,150,947
  4. Step 4: Simplify right side
    38,986,929,554,451x = 1,152,995,557,213,230,729,575,530,496
  5. Step 5: Solve for x
    x = 1,152,995,557,213,230,729,575,530,496/38,986,929,554,451
  6. Step 6: Final answer
    x = 29,573,900,032,391.68

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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.