Finding the Fourth Proportional to 708,968,181.93, 1,063,610,376.57 and 217,731,025.68
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Solution
The fourth proportional to 708,968,181.93, 1,063,610,376.57 and 217,731,025.68 is: 326,645,093.70
Step by Step Solution
- Step 1: Write the proportion equation
708,968,181.93 : 1,063,610,376.57 = 217,731,025.68 : x - Step 2: Convert to fraction form
708,968,181.93/1,063,610,376.57 = 217,731,025.68/x - Step 3: Cross multiply
708,968,181.93x = 1,063,610,376.57 × 217,731,025.68 - Step 4: Simplify right side
708,968,181.93x = 231,580,978,214,477,152 - Step 5: Solve for x
x = 231,580,978,214,477,152/708,968,181.93 - Step 6: Final answer
x = 326,645,093.70
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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.