Finding the Fourth Proportional to 276,438,302.84, 381,477,998.58 and 158,960,834.12
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Solution
The fourth proportional to 276,438,302.84, 381,477,998.58 and 158,960,834.12 is: 219,362,006.75
Step by Step Solution
- Step 1: Write the proportion equation
276,438,302.84 : 381,477,998.58 = 158,960,834.12 : x - Step 2: Convert to fraction form
276,438,302.84/381,477,998.58 = 158,960,834.12/x - Step 3: Cross multiply
276,438,302.84x = 381,477,998.58 × 158,960,834.12 - Step 4: Simplify right side
276,438,302.84x = 60,640,060,852,704,976 - Step 5: Solve for x
x = 60,640,060,852,704,976/276,438,302.84 - Step 6: Final answer
x = 219,362,006.75
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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.