Home / 9,199,431,318.03-12,695,190,125.78-5,130,337,443.22

Finding the Fourth Proportional to 9,199,431,318.03, 12,695,190,125.78 and 5,130,337,443.22

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Solution

The fourth proportional to 9,199,431,318.03, 12,695,190,125.78 and 5,130,337,443.22 is: 7,079,851,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199,431,318.03 : 12,695,190,125.78 = 5,130,337,443.22 : x
  2. Step 2: Convert to fraction form
    9,199,431,318.03/12,695,190,125.78 = 5,130,337,443.22/x
  3. Step 3: Cross multiply
    9,199,431,318.03x = 12,695,190,125.78 × 5,130,337,443.22
  4. Step 4: Simplify right side
    9,199,431,318.03x = 65,130,609,251,108,904,960
  5. Step 5: Solve for x
    x = 65,130,609,251,108,904,960/9,199,431,318.03
  6. Step 6: Final answer
    x = 7,079,851,677.73

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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.