Finding the Fourth Proportional to 1,509,639,529.32, 2,263,701,535.08 and 879,575,529.16
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Solution
The fourth proportional to 1,509,639,529.32, 2,263,701,535.08 and 879,575,529.16 is: 1,318,921,793.52
Step by Step Solution
- Step 1: Write the proportion equation
1,509,639,529.32 : 2,263,701,535.08 = 879,575,529.16 : x - Step 2: Convert to fraction form
1,509,639,529.32/2,263,701,535.08 = 879,575,529.16/x - Step 3: Cross multiply
1,509,639,529.32x = 2,263,701,535.08 × 879,575,529.16 - Step 4: Simplify right side
1,509,639,529.32x = 1,991,096,475,578,295,040 - Step 5: Solve for x
x = 1,991,096,475,578,295,040/1,509,639,529.32 - Step 6: Final answer
x = 1,318,921,793.52
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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.