Finding the Fourth Proportional to 1,613,987,800.44, 2,227,307,202.36 and 935,936,178.36
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Solution
The fourth proportional to 1,613,987,800.44, 2,227,307,202.36 and 935,936,178.36 is: 1,291,594,267.59
Step by Step Solution
- Step 1: Write the proportion equation
1,613,987,800.44 : 2,227,307,202.36 = 935,936,178.36 : x - Step 2: Convert to fraction form
1,613,987,800.44/2,227,307,202.36 = 935,936,178.36/x - Step 3: Cross multiply
1,613,987,800.44x = 2,227,307,202.36 × 935,936,178.36 - Step 4: Simplify right side
1,613,987,800.44x = 2,084,617,391,010,521,856 - Step 5: Solve for x
x = 2,084,617,391,010,521,856/1,613,987,800.44 - Step 6: Final answer
x = 1,291,594,267.59
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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.