Finding the Fourth Proportional to 729,312,330.04, 1,006,412,794.86 and 399,224,240.44
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Solution
The fourth proportional to 729,312,330.04, 1,006,412,794.86 and 399,224,240.44 is: 550,908,529.92
Step by Step Solution
- Step 1: Write the proportion equation
729,312,330.04 : 1,006,412,794.86 = 399,224,240.44 : x - Step 2: Convert to fraction form
729,312,330.04/1,006,412,794.86 = 399,224,240.44/x - Step 3: Cross multiply
729,312,330.04x = 1,006,412,794.86 × 399,224,240.44 - Step 4: Simplify right side
729,312,330.04x = 401,784,383,597,081,024 - Step 5: Solve for x
x = 401,784,383,597,081,024/729,312,330.04 - Step 6: Final answer
x = 550,908,529.92
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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.