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Finding the Fourth Proportional to 6,878,075,882.20, 10,317,113,823.30 and 6,878,075,882.20

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Solution

The fourth proportional to 6,878,075,882.20, 10,317,113,823.30 and 6,878,075,882.20 is: 10,317,113,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,075,882.20 : 10,317,113,823.30 = 6,878,075,882.20 : x
  2. Step 2: Convert to fraction form
    6,878,075,882.20/10,317,113,823.30 = 6,878,075,882.20/x
  3. Step 3: Cross multiply
    6,878,075,882.20x = 10,317,113,823.30 × 6,878,075,882.20
  4. Step 4: Simplify right side
    6,878,075,882.20x = 70,961,891,761,951,956,992
  5. Step 5: Solve for x
    x = 70,961,891,761,951,956,992/6,878,075,882.20
  6. Step 6: Final answer
    x = 10,317,113,823.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.