Home / 13,463,258,770.80-20,194,888,156.20-7,884,403,729.20

Finding the Fourth Proportional to 13,463,258,770.80, 20,194,888,156.20 and 7,884,403,729.20

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Solution

The fourth proportional to 13,463,258,770.80, 20,194,888,156.20 and 7,884,403,729.20 is: 11,826,605,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463,258,770.80 : 20,194,888,156.20 = 7,884,403,729.20 : x
  2. Step 2: Convert to fraction form
    13,463,258,770.80/20,194,888,156.20 = 7,884,403,729.20/x
  3. Step 3: Cross multiply
    13,463,258,770.80x = 20,194,888,156.20 × 7,884,403,729.20
  4. Step 4: Simplify right side
    13,463,258,770.80x = 159,224,651,489,520,189,440
  5. Step 5: Solve for x
    x = 159,224,651,489,520,189,440/13,463,258,770.80
  6. Step 6: Final answer
    x = 11,826,605,593.80

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Double scale
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1.5x scale

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.