Finding the Fourth Proportional to 847,537,522.99, 1,270,620,233.52 and 264,971,898.79
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Solution
The fourth proportional to 847,537,522.99, 1,270,620,233.52 and 264,971,898.79 is: 397,243,363.01
Step by Step Solution
- Step 1: Write the proportion equation
847,537,522.99 : 1,270,620,233.52 = 264,971,898.79 : x - Step 2: Convert to fraction form
847,537,522.99/1,270,620,233.52 = 264,971,898.79/x - Step 3: Cross multiply
847,537,522.99x = 1,270,620,233.52 × 264,971,898.79 - Step 4: Simplify right side
847,537,522.99x = 336,678,655,912,604,160 - Step 5: Solve for x
x = 336,678,655,912,604,160/847,537,522.99 - Step 6: Final answer
x = 397,243,363.01
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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.