Finding the Fourth Proportional to 709,157,347.91, 1,062,889,720.91 and 330,059,452.18
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Solution
The fourth proportional to 709,157,347.91, 1,062,889,720.91 and 330,059,452.18 is: 494,695,288.77
Step by Step Solution
- Step 1: Write the proportion equation
709,157,347.91 : 1,062,889,720.91 = 330,059,452.18 : x - Step 2: Convert to fraction form
709,157,347.91/1,062,889,720.91 = 330,059,452.18/x - Step 3: Cross multiply
709,157,347.91x = 1,062,889,720.91 × 330,059,452.18 - Step 4: Simplify right side
709,157,347.91x = 350,816,799,007,000,192 - Step 5: Solve for x
x = 350,816,799,007,000,192/709,157,347.91 - Step 6: Final answer
x = 494,695,288.77
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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.