Finding the Fourth Proportional to 4,867,667,782.12, 6,715,248,035.70 and 2,859,596,717.32
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Solution
The fourth proportional to 4,867,667,782.12, 6,715,248,035.70 and 2,859,596,717.32 is: 3,944,990,105.82
Step by Step Solution
- Step 1: Write the proportion equation
4,867,667,782.12 : 6,715,248,035.70 = 2,859,596,717.32 : x - Step 2: Convert to fraction form
4,867,667,782.12/6,715,248,035.70 = 2,859,596,717.32/x - Step 3: Cross multiply
4,867,667,782.12x = 6,715,248,035.70 × 2,859,596,717.32 - Step 4: Simplify right side
4,867,667,782.12x = 19,202,901,238,877,298,688 - Step 5: Solve for x
x = 19,202,901,238,877,298,688/4,867,667,782.12 - Step 6: Final answer
x = 3,944,990,105.82
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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.