Home / 28,315,966,297,209-39,075,617,628,861-15,815,878,759,732

Finding the Fourth Proportional to 28,315,966,297,209, 39,075,617,628,861 and 15,815,878,759,732

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Solution

The fourth proportional to 28,315,966,297,209, 39,075,617,628,861 and 15,815,878,759,732 is: 21,825,680,409,169.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315,966,297,209 : 39,075,617,628,861 = 15,815,878,759,732 : x
  2. Step 2: Convert to fraction form
    28,315,966,297,209/39,075,617,628,861 = 15,815,878,759,732/x
  3. Step 3: Cross multiply
    28,315,966,297,209x = 39,075,617,628,861 × 15,815,878,759,732
  4. Step 4: Simplify right side
    28,315,966,297,209x = 618,015,230,879,712,007,350,648,832
  5. Step 5: Solve for x
    x = 618,015,230,879,712,007,350,648,832/28,315,966,297,209
  6. Step 6: Final answer
    x = 21,825,680,409,169.98

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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.