Finding the Fourth Proportional to 351,525,941.91, 485,104,923.68 and 194,889,016.71
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Solution
The fourth proportional to 351,525,941.91, 485,104,923.68 and 194,889,016.71 is: 268,946,357.31
Step by Step Solution
- Step 1: Write the proportion equation
351,525,941.91 : 485,104,923.68 = 194,889,016.71 : x - Step 2: Convert to fraction form
351,525,941.91/485,104,923.68 = 194,889,016.71/x - Step 3: Cross multiply
351,525,941.91x = 485,104,923.68 × 194,889,016.71 - Step 4: Simplify right side
351,525,941.91x = 94,541,621,576,200,352 - Step 5: Solve for x
x = 94,541,621,576,200,352/351,525,941.91 - Step 6: Final answer
x = 268,946,357.31
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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.