Finding the Fourth Proportional to 1,509,528,604.41, 2,263,140,268.92 and 473,790,248.73
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Solution
The fourth proportional to 1,509,528,604.41, 2,263,140,268.92 and 473,790,248.73 is: 710,323,598.90
Step by Step Solution
- Step 1: Write the proportion equation
1,509,528,604.41 : 2,263,140,268.92 = 473,790,248.73 : x - Step 2: Convert to fraction form
1,509,528,604.41/2,263,140,268.92 = 473,790,248.73/x - Step 3: Cross multiply
1,509,528,604.41x = 2,263,140,268.92 × 473,790,248.73 - Step 4: Simplify right side
1,509,528,604.41x = 1,072,253,790,922,486,016 - Step 5: Solve for x
x = 1,072,253,790,922,486,016/1,509,528,604.41 - Step 6: Final answer
x = 710,323,598.90
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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.