Finding the Fourth Proportional to 368,736,345.30, 553,104,517.95 and 252,510,198.60
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Solution
The fourth proportional to 368,736,345.30, 553,104,517.95 and 252,510,198.60 is: 378,765,297.90
Step by Step Solution
- Step 1: Write the proportion equation
368,736,345.30 : 553,104,517.95 = 252,510,198.60 : x - Step 2: Convert to fraction form
368,736,345.30/553,104,517.95 = 252,510,198.60/x - Step 3: Cross multiply
368,736,345.30x = 553,104,517.95 × 252,510,198.60 - Step 4: Simplify right side
368,736,345.30x = 139,664,531,674,111,776 - Step 5: Solve for x
x = 139,664,531,674,111,776/368,736,345.30 - Step 6: Final answer
x = 378,765,297.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.