Home / 20,685,012,736,493-28,540,583,091,359-12,349,880,166,958

Finding the Fourth Proportional to 20,685,012,736,493, 28,540,583,091,359 and 12,349,880,166,958

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Solution

The fourth proportional to 20,685,012,736,493, 28,540,583,091,359 and 12,349,880,166,958 is: 17,040,007,930,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,685,012,736,493 : 28,540,583,091,359 = 12,349,880,166,958 : x
  2. Step 2: Convert to fraction form
    20,685,012,736,493/28,540,583,091,359 = 12,349,880,166,958/x
  3. Step 3: Cross multiply
    20,685,012,736,493x = 28,540,583,091,359 × 12,349,880,166,958
  4. Step 4: Simplify right side
    20,685,012,736,493x = 352,472,781,073,391,346,687,934,464
  5. Step 5: Solve for x
    x = 352,472,781,073,391,346,687,934,464/20,685,012,736,493
  6. Step 6: Final answer
    x = 17,040,007,930,551.11

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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.