Home / 28,315,966,297,108-39,075,617,628,720-15,815,878,759,631

Finding the Fourth Proportional to 28,315,966,297,108, 39,075,617,628,720 and 15,815,878,759,631

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Solution

The fourth proportional to 28,315,966,297,108, 39,075,617,628,720 and 15,815,878,759,631 is: 21,825,680,409,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315,966,297,108 : 39,075,617,628,720 = 15,815,878,759,631 : x
  2. Step 2: Convert to fraction form
    28,315,966,297,108/39,075,617,628,720 = 15,815,878,759,631/x
  3. Step 3: Cross multiply
    28,315,966,297,108x = 39,075,617,628,720 × 15,815,878,759,631
  4. Step 4: Simplify right side
    28,315,966,297,108x = 618,015,230,873,535,294,623,186,944
  5. Step 5: Solve for x
    x = 618,015,230,873,535,294,623,186,944/28,315,966,297,108
  6. Step 6: Final answer
    x = 21,825,680,409,029.70

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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.