Home / 1,447,238,392.12-1,996,647,941.82-852,159,191.32

Finding the Fourth Proportional to 1,447,238,392.12, 1,996,647,941.82 and 852,159,191.32

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Solution

The fourth proportional to 1,447,238,392.12, 1,996,647,941.82 and 852,159,191.32 is: 1,175,661,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,238,392.12 : 1,996,647,941.82 = 852,159,191.32 : x
  2. Step 2: Convert to fraction form
    1,447,238,392.12/1,996,647,941.82 = 852,159,191.32/x
  3. Step 3: Cross multiply
    1,447,238,392.12x = 1,996,647,941.82 × 852,159,191.32
  4. Step 4: Simplify right side
    1,447,238,392.12x = 1,701,461,895,452,073,728
  5. Step 5: Solve for x
    x = 1,701,461,895,452,073,728/1,447,238,392.12
  6. Step 6: Final answer
    x = 1,175,661,110.65

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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.