Home / 9,199,431,318.15-12,695,190,125.96-5,130,337,443.35

Finding the Fourth Proportional to 9,199,431,318.15, 12,695,190,125.96 and 5,130,337,443.35

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Solution

The fourth proportional to 9,199,431,318.15, 12,695,190,125.96 and 5,130,337,443.35 is: 7,079,851,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199,431,318.15 : 12,695,190,125.96 = 5,130,337,443.35 : x
  2. Step 2: Convert to fraction form
    9,199,431,318.15/12,695,190,125.96 = 5,130,337,443.35/x
  3. Step 3: Cross multiply
    9,199,431,318.15x = 12,695,190,125.96 × 5,130,337,443.35
  4. Step 4: Simplify right side
    9,199,431,318.15x = 65,130,609,253,583,355,904
  5. Step 5: Solve for x
    x = 65,130,609,253,583,355,904/9,199,431,318.15
  6. Step 6: Final answer
    x = 7,079,851,677.90

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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.