Home / 2,153,093,967-2,971,270,871.10-1,163,019,393.72

Finding the Fourth Proportional to 2,153,093,967, 2,971,270,871.10 and 1,163,019,393.72

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Solution

The fourth proportional to 2,153,093,967, 2,971,270,871.10 and 1,163,019,393.72 is: 1,604,967,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,093,967 : 2,971,270,871.10 = 1,163,019,393.72 : x
  2. Step 2: Convert to fraction form
    2,153,093,967/2,971,270,871.10 = 1,163,019,393.72/x
  3. Step 3: Cross multiply
    2,153,093,967x = 2,971,270,871.10 × 1,163,019,393.72
  4. Step 4: Simplify right side
    2,153,093,967x = 3,455,645,647,084,618,240
  5. Step 5: Solve for x
    x = 3,455,645,647,084,618,240/2,153,093,967
  6. Step 6: Final answer
    x = 1,604,967,409.71

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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.