Home / 20,064,965,356.89-30,077,567,618.90-9,422,137,963.58

Finding the Fourth Proportional to 20,064,965,356.89, 30,077,567,618.90 and 9,422,137,963.58

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Solution

The fourth proportional to 20,064,965,356.89, 30,077,567,618.90 and 9,422,137,963.58 is: 14,123,871,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064,965,356.89 : 30,077,567,618.90 = 9,422,137,963.58 : x
  2. Step 2: Convert to fraction form
    20,064,965,356.89/30,077,567,618.90 = 9,422,137,963.58/x
  3. Step 3: Cross multiply
    20,064,965,356.89x = 30,077,567,618.90 × 9,422,137,963.58
  4. Step 4: Simplify right side
    20,064,965,356.89x = 283,394,991,713,984,708,608
  5. Step 5: Solve for x
    x = 283,394,991,713,984,708,608/20,064,965,356.89
  6. Step 6: Final answer
    x = 14,123,871,468.17

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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.