Home / 1,036,802,734.90-1,555,428,051.15-309,864,930.10

Finding the Fourth Proportional to 1,036,802,734.90, 1,555,428,051.15 and 309,864,930.10

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Solution

The fourth proportional to 1,036,802,734.90, 1,555,428,051.15 and 309,864,930.10 is: 464,864,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,802,734.90 : 1,555,428,051.15 = 309,864,930.10 : x
  2. Step 2: Convert to fraction form
    1,036,802,734.90/1,555,428,051.15 = 309,864,930.10/x
  3. Step 3: Cross multiply
    1,036,802,734.90x = 1,555,428,051.15 × 309,864,930.10
  4. Step 4: Simplify right side
    1,036,802,734.90x = 481,972,604,345,174,016
  5. Step 5: Solve for x
    x = 481,972,604,345,174,016/1,036,802,734.90
  6. Step 6: Final answer
    x = 464,864,325.80

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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.