Home / 275,280,579,005.12-412,920,868,507.65-275,280,579,005.12

Finding the Fourth Proportional to 275,280,579,005.12, 412,920,868,507.65 and 275,280,579,005.12

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Solution

The fourth proportional to 275,280,579,005.12, 412,920,868,507.65 and 275,280,579,005.12 is: 412,920,868,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,280,579,005.12 : 412,920,868,507.65 = 275,280,579,005.12 : x
  2. Step 2: Convert to fraction form
    275,280,579,005.12/412,920,868,507.65 = 275,280,579,005.12/x
  3. Step 3: Cross multiply
    275,280,579,005.12x = 412,920,868,507.65 × 275,280,579,005.12
  4. Step 4: Simplify right side
    275,280,579,005.12x = 113,669,095,766,082,921,168,896
  5. Step 5: Solve for x
    x = 113,669,095,766,082,921,168,896/275,280,579,005.12
  6. Step 6: Final answer
    x = 412,920,868,507.65

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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.