Finding the Fourth Proportional to 494,688,000.20, 742,032,000.30 and 313,737,369.80
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Solution
The fourth proportional to 494,688,000.20, 742,032,000.30 and 313,737,369.80 is: 470,606,054.70
Step by Step Solution
- Step 1: Write the proportion equation
494,688,000.20 : 742,032,000.30 = 313,737,369.80 : x - Step 2: Convert to fraction form
494,688,000.20/742,032,000.30 = 313,737,369.80/x - Step 3: Cross multiply
494,688,000.20x = 742,032,000.30 × 313,737,369.80 - Step 4: Simplify right side
494,688,000.20x = 232,803,168,081,554,816 - Step 5: Solve for x
x = 232,803,168,081,554,816/494,688,000.20 - Step 6: Final answer
x = 470,606,054.70
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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.