Finding the Fourth Proportional to 326,114,681.84, 489,387,256.38 and 172,868,355.08
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Solution
The fourth proportional to 326,114,681.84, 489,387,256.38 and 172,868,355.08 is: 259,416,624.64
Step by Step Solution
- Step 1: Write the proportion equation
326,114,681.84 : 489,387,256.38 = 172,868,355.08 : x - Step 2: Convert to fraction form
326,114,681.84/489,387,256.38 = 172,868,355.08/x - Step 3: Cross multiply
326,114,681.84x = 489,387,256.38 × 172,868,355.08 - Step 4: Simplify right side
326,114,681.84x = 84,599,570,007,524,848 - Step 5: Solve for x
x = 84,599,570,007,524,848/326,114,681.84 - Step 6: Final answer
x = 259,416,624.64
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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.