Home / 1,383,776,693.92-1,909,611,960.72-757,245,089.44

Finding the Fourth Proportional to 1,383,776,693.92, 1,909,611,960.72 and 757,245,089.44

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Solution

The fourth proportional to 1,383,776,693.92, 1,909,611,960.72 and 757,245,089.44 is: 1,044,998,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,776,693.92 : 1,909,611,960.72 = 757,245,089.44 : x
  2. Step 2: Convert to fraction form
    1,383,776,693.92/1,909,611,960.72 = 757,245,089.44/x
  3. Step 3: Cross multiply
    1,383,776,693.92x = 1,909,611,960.72 × 757,245,089.44
  4. Step 4: Simplify right side
    1,383,776,693.92x = 1,446,044,279,991,110,400
  5. Step 5: Solve for x
    x = 1,446,044,279,991,110,400/1,383,776,693.92
  6. Step 6: Final answer
    x = 1,044,998,290.80

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1.5x scale

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.