Finding the Fourth Proportional to 285,323,486.34, 427,850,311.05 and 110,528,386.14
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Solution
The fourth proportional to 285,323,486.34, 427,850,311.05 and 110,528,386.14 is: 165,740,314.60
Step by Step Solution
- Step 1: Write the proportion equation
285,323,486.34 : 427,850,311.05 = 110,528,386.14 : x - Step 2: Convert to fraction form
285,323,486.34/427,850,311.05 = 110,528,386.14/x - Step 3: Cross multiply
285,323,486.34x = 427,850,311.05 × 110,528,386.14 - Step 4: Simplify right side
285,323,486.34x = 47,289,604,389,853,512 - Step 5: Solve for x
x = 47,289,604,389,853,512/285,323,486.34 - Step 6: Final answer
x = 165,740,314.60
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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.