Finding the Fourth Proportional to 576,552,130.20, 864,828,195.30 and 479,617,291.80
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Solution
The fourth proportional to 576,552,130.20, 864,828,195.30 and 479,617,291.80 is: 719,425,937.70
Step by Step Solution
- Step 1: Write the proportion equation
576,552,130.20 : 864,828,195.30 = 479,617,291.80 : x - Step 2: Convert to fraction form
576,552,130.20/864,828,195.30 = 479,617,291.80/x - Step 3: Cross multiply
576,552,130.20x = 864,828,195.30 × 479,617,291.80 - Step 4: Simplify right side
576,552,130.20x = 414,786,556,902,067,456 - Step 5: Solve for x
x = 414,786,556,902,067,456/576,552,130.20 - Step 6: Final answer
x = 719,425,937.70
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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.