Finding the Fourth Proportional to 472,393,056.70, 708,589,585.05 and 414,997,428.70
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Solution
The fourth proportional to 472,393,056.70, 708,589,585.05 and 414,997,428.70 is: 622,496,143.05
Step by Step Solution
- Step 1: Write the proportion equation
472,393,056.70 : 708,589,585.05 = 414,997,428.70 : x - Step 2: Convert to fraction form
472,393,056.70/708,589,585.05 = 414,997,428.70/x - Step 3: Cross multiply
472,393,056.70x = 708,589,585.05 × 414,997,428.70 - Step 4: Simplify right side
472,393,056.70x = 294,062,855,799,349,952 - Step 5: Solve for x
x = 294,062,855,799,349,952/472,393,056.70 - Step 6: Final answer
x = 622,496,143.05
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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.