Finding the Fourth Proportional to 381,921,088.44, 526,634,033.58 and 257,946,529.08
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Solution
The fourth proportional to 381,921,088.44, 526,634,033.58 and 257,946,529.08 is: 355,684,525.34
Step by Step Solution
- Step 1: Write the proportion equation
381,921,088.44 : 526,634,033.58 = 257,946,529.08 : x - Step 2: Convert to fraction form
381,921,088.44/526,634,033.58 = 257,946,529.08/x - Step 3: Cross multiply
381,921,088.44x = 526,634,033.58 × 257,946,529.08 - Step 4: Simplify right side
381,921,088.44x = 135,843,421,057,361,168 - Step 5: Solve for x
x = 135,843,421,057,361,168/381,921,088.44 - Step 6: Final answer
x = 355,684,525.34
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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.