Home / 1,188,133,051.90-1,782,199,577.85-1,086,012,399.10

Finding the Fourth Proportional to 1,188,133,051.90, 1,782,199,577.85 and 1,086,012,399.10

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Solution

The fourth proportional to 1,188,133,051.90, 1,782,199,577.85 and 1,086,012,399.10 is: 1,629,018,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,133,051.90 : 1,782,199,577.85 = 1,086,012,399.10 : x
  2. Step 2: Convert to fraction form
    1,188,133,051.90/1,782,199,577.85 = 1,086,012,399.10/x
  3. Step 3: Cross multiply
    1,188,133,051.90x = 1,782,199,577.85 × 1,086,012,399.10
  4. Step 4: Simplify right side
    1,188,133,051.90x = 1,935,490,839,215,885,568
  5. Step 5: Solve for x
    x = 1,935,490,839,215,885,568/1,188,133,051.90
  6. Step 6: Final answer
    x = 1,629,018,598.65

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Double scale
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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.