Finding the Fourth Proportional to 339,975,829.70, 508,788,013.35 and 203,758,972.10
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Solution
The fourth proportional to 339,975,829.70, 508,788,013.35 and 203,758,972.10 is: 304,933,802.82
Step by Step Solution
- Step 1: Write the proportion equation
339,975,829.70 : 508,788,013.35 = 203,758,972.10 : x - Step 2: Convert to fraction form
339,975,829.70/508,788,013.35 = 203,758,972.10/x - Step 3: Cross multiply
339,975,829.70x = 508,788,013.35 × 203,758,972.10 - Step 4: Simplify right side
339,975,829.70x = 103,670,122,616,997,072 - Step 5: Solve for x
x = 103,670,122,616,997,072/339,975,829.70 - Step 6: Final answer
x = 304,933,802.82
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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.