Finding the Fourth Proportional to 468,865,818.09, 703,363,401.09 and 272,221,840.26
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Solution
The fourth proportional to 468,865,818.09, 703,363,401.09 and 272,221,840.26 is: 408,370,309.86
Step by Step Solution
- Step 1: Write the proportion equation
468,865,818.09 : 703,363,401.09 = 272,221,840.26 : x - Step 2: Convert to fraction form
468,865,818.09/703,363,401.09 = 272,221,840.26/x - Step 3: Cross multiply
468,865,818.09x = 703,363,401.09 × 272,221,840.26 - Step 4: Simplify right side
468,865,818.09x = 191,470,879,416,252,288 - Step 5: Solve for x
x = 191,470,879,416,252,288/468,865,818.09 - Step 6: Final answer
x = 408,370,309.86
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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.