Finding the Fourth Proportional to 381,271,134.02, 526,125,289.70 and 213,975,084.94
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Solution
The fourth proportional to 381,271,134.02, 526,125,289.70 and 213,975,084.94 is: 295,269,411.99
Step by Step Solution
- Step 1: Write the proportion equation
381,271,134.02 : 526,125,289.70 = 213,975,084.94 : x - Step 2: Convert to fraction form
381,271,134.02/526,125,289.70 = 213,975,084.94/x - Step 3: Cross multiply
381,271,134.02x = 526,125,289.70 × 213,975,084.94 - Step 4: Simplify right side
381,271,134.02x = 112,577,703,552,639,600 - Step 5: Solve for x
x = 112,577,703,552,639,600/381,271,134.02 - Step 6: Final answer
x = 295,269,411.99
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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.