Finding the Fourth Proportional to 1,674,481,306.14, 2,511,530,308.35 and 447,745,417.02
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Solution
The fourth proportional to 1,674,481,306.14, 2,511,530,308.35 and 447,745,417.02 is: 671,566,879.34
Step by Step Solution
- Step 1: Write the proportion equation
1,674,481,306.14 : 2,511,530,308.35 = 447,745,417.02 : x - Step 2: Convert to fraction form
1,674,481,306.14/2,511,530,308.35 = 447,745,417.02/x - Step 3: Cross multiply
1,674,481,306.14x = 2,511,530,308.35 × 447,745,417.02 - Step 4: Simplify right side
1,674,481,306.14x = 1,124,526,185,270,539,904 - Step 5: Solve for x
x = 1,124,526,185,270,539,904/1,674,481,306.14 - Step 6: Final answer
x = 671,566,879.34
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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.