Home / 1,036,802,762.90-1,555,428,093.15-309,864,958.10

Finding the Fourth Proportional to 1,036,802,762.90, 1,555,428,093.15 and 309,864,958.10

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Solution

The fourth proportional to 1,036,802,762.90, 1,555,428,093.15 and 309,864,958.10 is: 464,864,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,802,762.90 : 1,555,428,093.15 = 309,864,958.10 : x
  2. Step 2: Convert to fraction form
    1,036,802,762.90/1,555,428,093.15 = 309,864,958.10/x
  3. Step 3: Cross multiply
    1,036,802,762.90x = 1,555,428,093.15 × 309,864,958.10
  4. Step 4: Simplify right side
    1,036,802,762.90x = 481,972,660,911,487,744
  5. Step 5: Solve for x
    x = 481,972,660,911,487,744/1,036,802,762.90
  6. Step 6: Final answer
    x = 464,864,367.80

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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.