Home / 5,199,510,827.12-7,175,324,941.32-2,971,890,845.12

Finding the Fourth Proportional to 5,199,510,827.12, 7,175,324,941.32 and 2,971,890,845.12

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Solution

The fourth proportional to 5,199,510,827.12, 7,175,324,941.32 and 2,971,890,845.12 is: 4,101,209,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,510,827.12 : 7,175,324,941.32 = 2,971,890,845.12 : x
  2. Step 2: Convert to fraction form
    5,199,510,827.12/7,175,324,941.32 = 2,971,890,845.12/x
  3. Step 3: Cross multiply
    5,199,510,827.12x = 7,175,324,941.32 × 2,971,890,845.12
  4. Step 4: Simplify right side
    5,199,510,827.12x = 21,324,282,503,870,107,648
  5. Step 5: Solve for x
    x = 21,324,282,503,870,107,648/5,199,510,827.12
  6. Step 6: Final answer
    x = 4,101,209,366.21

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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.