Finding the Fourth Proportional to 298,676,248.49, 412,171,750.63 and 173,253,810.53
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Solution
The fourth proportional to 298,676,248.49, 412,171,750.63 and 173,253,810.53 is: 239,089,404.50
Step by Step Solution
- Step 1: Write the proportion equation
298,676,248.49 : 412,171,750.63 = 173,253,810.53 : x - Step 2: Convert to fraction form
298,676,248.49/412,171,750.63 = 173,253,810.53/x - Step 3: Cross multiply
298,676,248.49x = 412,171,750.63 × 173,253,810.53 - Step 4: Simplify right side
298,676,248.49x = 71,410,326,390,715,432 - Step 5: Solve for x
x = 71,410,326,390,715,432/298,676,248.49 - Step 6: Final answer
x = 239,089,404.50
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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.