Home / 28,315,966,323,824-39,075,617,665,670-15,815,878,786,422

Finding the Fourth Proportional to 28,315,966,323,824, 39,075,617,665,670 and 15,815,878,786,422

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Solution

The fourth proportional to 28,315,966,323,824, 39,075,617,665,670 and 15,815,878,786,422 is: 21,825,680,446,046.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315,966,323,824 : 39,075,617,665,670 = 15,815,878,786,422 : x
  2. Step 2: Convert to fraction form
    28,315,966,323,824/39,075,617,665,670 = 15,815,878,786,422/x
  3. Step 3: Cross multiply
    28,315,966,323,824x = 39,075,617,665,670 × 15,815,878,786,422
  4. Step 4: Simplify right side
    28,315,966,323,824x = 618,015,232,504,806,892,036,423,680
  5. Step 5: Solve for x
    x = 618,015,232,504,806,892,036,423,680/28,315,966,323,824
  6. Step 6: Final answer
    x = 21,825,680,446,046.86

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Double scale
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1.5x scale

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.