Finding the Fourth Proportional to 354,294,967.40, 531,442,451.10 and 312,683,137.10
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Solution
The fourth proportional to 354,294,967.40, 531,442,451.10 and 312,683,137.10 is: 469,024,705.65
Step by Step Solution
- Step 1: Write the proportion equation
354,294,967.40 : 531,442,451.10 = 312,683,137.10 : x - Step 2: Convert to fraction form
354,294,967.40/531,442,451.10 = 312,683,137.10/x - Step 3: Cross multiply
354,294,967.40x = 531,442,451.10 × 312,683,137.10 - Step 4: Simplify right side
354,294,967.40x = 166,173,092,798,061,376 - Step 5: Solve for x
x = 166,173,092,798,061,376/354,294,967.40 - Step 6: Final answer
x = 469,024,705.65
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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.