Finding the Fourth Proportional to 448,755,617.16, 673,157,920.14 and 142,024,843.08
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Solution
The fourth proportional to 448,755,617.16, 673,157,920.14 and 142,024,843.08 is: 213,045,016.75
Step by Step Solution
- Step 1: Write the proportion equation
448,755,617.16 : 673,157,920.14 = 142,024,843.08 : x - Step 2: Convert to fraction form
448,755,617.16/673,157,920.14 = 142,024,843.08/x - Step 3: Cross multiply
448,755,617.16x = 673,157,920.14 × 142,024,843.08 - Step 4: Simplify right side
448,755,617.16x = 95,605,147,975,942,672 - Step 5: Solve for x
x = 95,605,147,975,942,672/448,755,617.16 - Step 6: Final answer
x = 213,045,016.75
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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.