Finding the Fourth Proportional to 368,832,437.46, 508,990,350.70 and 201,572,128.98
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Solution
The fourth proportional to 368,832,437.46, 508,990,350.70 and 201,572,128.98 is: 278,170,405.31
Step by Step Solution
- Step 1: Write the proportion equation
368,832,437.46 : 508,990,350.70 = 201,572,128.98 : x - Step 2: Convert to fraction form
368,832,437.46/508,990,350.70 = 201,572,128.98/x - Step 3: Cross multiply
368,832,437.46x = 508,990,350.70 × 201,572,128.98 - Step 4: Simplify right side
368,832,437.46x = 102,598,268,620,875,824 - Step 5: Solve for x
x = 102,598,268,620,875,824/368,832,437.46 - Step 6: Final answer
x = 278,170,405.31
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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.