Finding the Fourth Proportional to 4,189,277,648, 6,283,947,964.80 and 1,859,588,320.16
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Solution
The fourth proportional to 4,189,277,648, 6,283,947,964.80 and 1,859,588,320.16 is: 2,789,396,459.65
Step by Step Solution
- Step 1: Write the proportion equation
4,189,277,648 : 6,283,947,964.80 = 1,859,588,320.16 : x - Step 2: Convert to fraction form
4,189,277,648/6,283,947,964.80 = 1,859,588,320.16/x - Step 3: Cross multiply
4,189,277,648x = 6,283,947,964.80 × 1,859,588,320.16 - Step 4: Simplify right side
4,189,277,648x = 11,685,556,239,835,283,456 - Step 5: Solve for x
x = 11,685,556,239,835,283,456/4,189,277,648 - Step 6: Final answer
x = 2,789,396,459.65
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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.