Finding the Fourth Proportional to 1,213,753,177.27, 1,819,892,514.23 and 475,939,169.97
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Solution
The fourth proportional to 1,213,753,177.27, 1,819,892,514.23 and 475,939,169.97 is: 713,619,662.45
Step by Step Solution
- Step 1: Write the proportion equation
1,213,753,177.27 : 1,819,892,514.23 = 475,939,169.97 : x - Step 2: Convert to fraction form
1,213,753,177.27/1,819,892,514.23 = 475,939,169.97/x - Step 3: Cross multiply
1,213,753,177.27x = 1,819,892,514.23 × 475,939,169.97 - Step 4: Simplify right side
1,213,753,177.27x = 866,158,132,657,242,624 - Step 5: Solve for x
x = 866,158,132,657,242,624/1,213,753,177.27 - Step 6: Final answer
x = 713,619,662.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.