Home / 20,848,930,140.16-28,771,319,190.40-11,332,915,707.68

Finding the Fourth Proportional to 20,848,930,140.16, 28,771,319,190.40 and 11,332,915,707.68

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Solution

The fourth proportional to 20,848,930,140.16, 28,771,319,190.40 and 11,332,915,707.68 is: 15,639,312,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848,930,140.16 : 28,771,319,190.40 = 11,332,915,707.68 : x
  2. Step 2: Convert to fraction form
    20,848,930,140.16/28,771,319,190.40 = 11,332,915,707.68/x
  3. Step 3: Cross multiply
    20,848,930,140.16x = 28,771,319,190.40 × 11,332,915,707.68
  4. Step 4: Simplify right side
    20,848,930,140.16x = 326,062,935,183,559,229,440
  5. Step 5: Solve for x
    x = 326,062,935,183,559,229,440/20,848,930,140.16
  6. Step 6: Final answer
    x = 15,639,312,568.63

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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.