Home / 14,731,201,440.86-20,329,066,143.53-7,957,019,985.44

Finding the Fourth Proportional to 14,731,201,440.86, 20,329,066,143.53 and 7,957,019,985.44

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Solution

The fourth proportional to 14,731,201,440.86, 20,329,066,143.53 and 7,957,019,985.44 is: 10,980,691,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731,201,440.86 : 20,329,066,143.53 = 7,957,019,985.44 : x
  2. Step 2: Convert to fraction form
    14,731,201,440.86/20,329,066,143.53 = 7,957,019,985.44/x
  3. Step 3: Cross multiply
    14,731,201,440.86x = 20,329,066,143.53 × 7,957,019,985.44
  4. Step 4: Simplify right side
    14,731,201,440.86x = 161,758,785,589,298,233,344
  5. Step 5: Solve for x
    x = 161,758,785,589,298,233,344/14,731,201,440.86
  6. Step 6: Final answer
    x = 10,980,691,984.88

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Double scale
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1.5x scale

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.