Finding the Fourth Proportional to 456,757,705.96, 630,324,060.42 and 247,913,837.80
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Solution
The fourth proportional to 456,757,705.96, 630,324,060.42 and 247,913,837.80 is: 342,120,241.95
Step by Step Solution
- Step 1: Write the proportion equation
456,757,705.96 : 630,324,060.42 = 247,913,837.80 : x - Step 2: Convert to fraction form
456,757,705.96/630,324,060.42 = 247,913,837.80/x - Step 3: Cross multiply
456,757,705.96x = 630,324,060.42 × 247,913,837.80 - Step 4: Simplify right side
456,757,705.96x = 156,266,056,876,401,280 - Step 5: Solve for x
x = 156,266,056,876,401,280/456,757,705.96 - Step 6: Final answer
x = 342,120,241.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.