Finding the Fourth Proportional to 470,247,504.84, 648,863,115.96 and 261,375,248.64
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Solution
The fourth proportional to 470,247,504.84, 648,863,115.96 and 261,375,248.64 is: 360,654,243.82
Step by Step Solution
- Step 1: Write the proportion equation
470,247,504.84 : 648,863,115.96 = 261,375,248.64 : x - Step 2: Convert to fraction form
470,247,504.84/648,863,115.96 = 261,375,248.64/x - Step 3: Cross multiply
470,247,504.84x = 648,863,115.96 × 261,375,248.64 - Step 4: Simplify right side
470,247,504.84x = 169,596,758,267,370,144 - Step 5: Solve for x
x = 169,596,758,267,370,144/470,247,504.84 - Step 6: Final answer
x = 360,654,243.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.