Home / 28,315,966,323,826-39,075,617,665,672-15,815,878,786,425

Finding the Fourth Proportional to 28,315,966,323,826, 39,075,617,665,672 and 15,815,878,786,425

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Solution

The fourth proportional to 28,315,966,323,826, 39,075,617,665,672 and 15,815,878,786,425 is: 21,825,680,446,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315,966,323,826 : 39,075,617,665,672 = 15,815,878,786,425 : x
  2. Step 2: Convert to fraction form
    28,315,966,323,826/39,075,617,665,672 = 15,815,878,786,425/x
  3. Step 3: Cross multiply
    28,315,966,323,826x = 39,075,617,665,672 × 15,815,878,786,425
  4. Step 4: Simplify right side
    28,315,966,323,826x = 618,015,232,504,955,738,423,033,856
  5. Step 5: Solve for x
    x = 618,015,232,504,955,738,423,033,856/28,315,966,323,826
  6. Step 6: Final answer
    x = 21,825,680,446,050.57

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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.