Finding the Fourth Proportional to 6,653,364,319.76, 9,181,715,320.68 and 3,683,190,171.92
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Solution
The fourth proportional to 6,653,364,319.76, 9,181,715,320.68 and 3,683,190,171.92 is: 5,082,842,604.91
Step by Step Solution
- Step 1: Write the proportion equation
6,653,364,319.76 : 9,181,715,320.68 = 3,683,190,171.92 : x - Step 2: Convert to fraction form
6,653,364,319.76/9,181,715,320.68 = 3,683,190,171.92/x - Step 3: Cross multiply
6,653,364,319.76x = 9,181,715,320.68 × 3,683,190,171.92 - Step 4: Simplify right side
6,653,364,319.76x = 33,818,003,630,495,870,976 - Step 5: Solve for x
x = 33,818,003,630,495,870,976/6,653,364,319.76 - Step 6: Final answer
x = 5,082,842,604.91
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1.5x scale
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.