Home / 20,685,012,736,492-28,540,583,091,358-12,349,880,166,957

Finding the Fourth Proportional to 20,685,012,736,492, 28,540,583,091,358 and 12,349,880,166,957

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Solution

The fourth proportional to 20,685,012,736,492, 28,540,583,091,358 and 12,349,880,166,957 is: 17,040,007,930,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,685,012,736,492 : 28,540,583,091,358 = 12,349,880,166,957 : x
  2. Step 2: Convert to fraction form
    20,685,012,736,492/28,540,583,091,358 = 12,349,880,166,957/x
  3. Step 3: Cross multiply
    20,685,012,736,492x = 28,540,583,091,358 × 12,349,880,166,957
  4. Step 4: Simplify right side
    20,685,012,736,492x = 352,472,781,073,350,458,599,276,544
  5. Step 5: Solve for x
    x = 352,472,781,073,350,458,599,276,544/20,685,012,736,492
  6. Step 6: Final answer
    x = 17,040,007,930,549.95

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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.