Home / 5,290,140,269.25-7,300,394,763.21-2,911,278,206.61

Finding the Fourth Proportional to 5,290,140,269.25, 7,300,394,763.21 and 2,911,278,206.61

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Solution

The fourth proportional to 5,290,140,269.25, 7,300,394,763.21 and 2,911,278,206.61 is: 4,017,564,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290,140,269.25 : 7,300,394,763.21 = 2,911,278,206.61 : x
  2. Step 2: Convert to fraction form
    5,290,140,269.25/7,300,394,763.21 = 2,911,278,206.61/x
  3. Step 3: Cross multiply
    5,290,140,269.25x = 7,300,394,763.21 × 2,911,278,206.61
  4. Step 4: Simplify right side
    5,290,140,269.25x = 21,253,480,173,783,044,096
  5. Step 5: Solve for x
    x = 21,253,480,173,783,044,096/5,290,140,269.25
  6. Step 6: Final answer
    x = 4,017,564,580.91

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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.