Home / 1,080,284,981.88-1,620,427,492.26-262,391,771.64

Finding the Fourth Proportional to 1,080,284,981.88, 1,620,427,492.26 and 262,391,771.64

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Solution

The fourth proportional to 1,080,284,981.88, 1,620,427,492.26 and 262,391,771.64 is: 393,587,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,284,981.88 : 1,620,427,492.26 = 262,391,771.64 : x
  2. Step 2: Convert to fraction form
    1,080,284,981.88/1,620,427,492.26 = 262,391,771.64/x
  3. Step 3: Cross multiply
    1,080,284,981.88x = 1,620,427,492.26 × 262,391,771.64
  4. Step 4: Simplify right side
    1,080,284,981.88x = 425,186,840,508,263,744
  5. Step 5: Solve for x
    x = 425,186,840,508,263,744/1,080,284,981.88
  6. Step 6: Final answer
    x = 393,587,662.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.