Finding the Fourth Proportional to 361,195,193.04, 498,440,888.75 and 212,525,943.41
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Solution
The fourth proportional to 361,195,193.04, 498,440,888.75 and 212,525,943.41 is: 293,280,813.70
Step by Step Solution
- Step 1: Write the proportion equation
361,195,193.04 : 498,440,888.75 = 212,525,943.41 : x - Step 2: Convert to fraction form
361,195,193.04/498,440,888.75 = 212,525,943.41/x - Step 3: Cross multiply
361,195,193.04x = 498,440,888.75 × 212,525,943.41 - Step 4: Simplify right side
361,195,193.04x = 105,931,620,117,490,016 - Step 5: Solve for x
x = 105,931,620,117,490,016/361,195,193.04 - Step 6: Final answer
x = 293,280,813.70
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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.