Finding the Fourth Proportional to 348,528,930.10, 522,905,369.55 and 233,643,195.70
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Solution
The fourth proportional to 348,528,930.10, 522,905,369.55 and 233,643,195.70 is: 350,539,857.78
Step by Step Solution
- Step 1: Write the proportion equation
348,528,930.10 : 522,905,369.55 = 233,643,195.70 : x - Step 2: Convert to fraction form
348,528,930.10/522,905,369.55 = 233,643,195.70/x - Step 3: Cross multiply
348,528,930.10x = 522,905,369.55 × 233,643,195.70 - Step 4: Simplify right side
348,528,930.10x = 122,173,281,590,351,472 - Step 5: Solve for x
x = 122,173,281,590,351,472/348,528,930.10 - Step 6: Final answer
x = 350,539,857.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.