Finding the Fourth Proportional to 6,261,979,868.98, 8,641,537,778.98 and 3,442,635,762.82
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Solution
The fourth proportional to 6,261,979,868.98, 8,641,537,778.98 and 3,442,635,762.82 is: 4,750,840,409.28
Step by Step Solution
- Step 1: Write the proportion equation
6,261,979,868.98 : 8,641,537,778.98 = 3,442,635,762.82 : x - Step 2: Convert to fraction form
6,261,979,868.98/8,641,537,778.98 = 3,442,635,762.82/x - Step 3: Cross multiply
6,261,979,868.98x = 8,641,537,778.98 × 3,442,635,762.82 - Step 4: Simplify right side
6,261,979,868.98x = 29,749,667,003,676,659,712 - Step 5: Solve for x
x = 29,749,667,003,676,659,712/6,261,979,868.98 - Step 6: Final answer
x = 4,750,840,409.28
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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.