Home / 30,049,729,908.74-45,076,044,431.89-9,880,709,212.32

Finding the Fourth Proportional to 30,049,729,908.74, 45,076,044,431.89 and 9,880,709,212.32

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Solution

The fourth proportional to 30,049,729,908.74, 45,076,044,431.89 and 9,880,709,212.32 is: 14,821,540,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049,729,908.74 : 45,076,044,431.89 = 9,880,709,212.32 : x
  2. Step 2: Convert to fraction form
    30,049,729,908.74/45,076,044,431.89 = 9,880,709,212.32/x
  3. Step 3: Cross multiply
    30,049,729,908.74x = 45,076,044,431.89 × 9,880,709,212.32
  4. Step 4: Simplify right side
    30,049,729,908.74x = 445,383,287,473,121,132,544
  5. Step 5: Solve for x
    x = 445,383,287,473,121,132,544/30,049,729,908.74
  6. Step 6: Final answer
    x = 14,821,540,453.97

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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.