Finding the Fourth Proportional to 468,471,152.08, 646,490,208.36 and 259,658,684.56
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Solution
The fourth proportional to 468,471,152.08, 646,490,208.36 and 259,658,684.56 is: 358,328,994.94
Step by Step Solution
- Step 1: Write the proportion equation
468,471,152.08 : 646,490,208.36 = 259,658,684.56 : x - Step 2: Convert to fraction form
468,471,152.08/646,490,208.36 = 259,658,684.56/x - Step 3: Cross multiply
468,471,152.08x = 646,490,208.36 × 259,658,684.56 - Step 4: Simplify right side
468,471,152.08x = 167,866,797,083,677,920 - Step 5: Solve for x
x = 167,866,797,083,677,920/468,471,152.08 - Step 6: Final answer
x = 358,328,994.94
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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.