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Finding the Fourth Proportional to 1,679,617,653.90, 2,519,426,480.85 and 1,679,617,653.90

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Solution

The fourth proportional to 1,679,617,653.90, 2,519,426,480.85 and 1,679,617,653.90 is: 2,519,426,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,617,653.90 : 2,519,426,480.85 = 1,679,617,653.90 : x
  2. Step 2: Convert to fraction form
    1,679,617,653.90/2,519,426,480.85 = 1,679,617,653.90/x
  3. Step 3: Cross multiply
    1,679,617,653.90x = 2,519,426,480.85 × 1,679,617,653.90
  4. Step 4: Simplify right side
    1,679,617,653.90x = 4,231,673,194,938,810,368
  5. Step 5: Solve for x
    x = 4,231,673,194,938,810,368/1,679,617,653.90
  6. Step 6: Final answer
    x = 2,519,426,480.85

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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.