Finding the Fourth Proportional to 664,308,000.90, 996,462,001.35 and 354,371,609.70
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Solution
The fourth proportional to 664,308,000.90, 996,462,001.35 and 354,371,609.70 is: 531,557,414.55
Step by Step Solution
- Step 1: Write the proportion equation
664,308,000.90 : 996,462,001.35 = 354,371,609.70 : x - Step 2: Convert to fraction form
664,308,000.90/996,462,001.35 = 354,371,609.70/x - Step 3: Cross multiply
664,308,000.90x = 996,462,001.35 × 354,371,609.70 - Step 4: Simplify right side
664,308,000.90x = 353,117,843,423,283,072 - Step 5: Solve for x
x = 353,117,843,423,283,072/664,308,000.90 - Step 6: Final answer
x = 531,557,414.55
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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.