Finding the Fourth Proportional to 851,810,977.99, 1,175,510,571.03 and 480,531,861.19
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Solution
The fourth proportional to 851,810,977.99, 1,175,510,571.03 and 480,531,861.19 is: 663,140,411.60
Step by Step Solution
- Step 1: Write the proportion equation
851,810,977.99 : 1,175,510,571.03 = 480,531,861.19 : x - Step 2: Convert to fraction form
851,810,977.99/1,175,510,571.03 = 480,531,861.19/x - Step 3: Cross multiply
851,810,977.99x = 1,175,510,571.03 × 480,531,861.19 - Step 4: Simplify right side
851,810,977.99x = 564,870,282,545,565,568 - Step 5: Solve for x
x = 564,870,282,545,565,568/851,810,977.99 - Step 6: Final answer
x = 663,140,411.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.