Home / 5,280,454,107.45-7,920,682,628.90-1,963,835,335.89

Finding the Fourth Proportional to 5,280,454,107.45, 7,920,682,628.90 and 1,963,835,335.89

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Solution

The fourth proportional to 5,280,454,107.45, 7,920,682,628.90 and 1,963,835,335.89 is: 2,945,753,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,454,107.45 : 7,920,682,628.90 = 1,963,835,335.89 : x
  2. Step 2: Convert to fraction form
    5,280,454,107.45/7,920,682,628.90 = 1,963,835,335.89/x
  3. Step 3: Cross multiply
    5,280,454,107.45x = 7,920,682,628.90 × 1,963,835,335.89
  4. Step 4: Simplify right side
    5,280,454,107.45x = 15,554,916,430,994,102,272
  5. Step 5: Solve for x
    x = 15,554,916,430,994,102,272/5,280,454,107.45
  6. Step 6: Final answer
    x = 2,945,753,549.69

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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.