Finding the Fourth Proportional to 580,118,786.63, 870,202,193.20 and 171,174,937.13
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Solution
The fourth proportional to 580,118,786.63, 870,202,193.20 and 171,174,937.13 is: 256,769,491.26
Step by Step Solution
- Step 1: Write the proportion equation
580,118,786.63 : 870,202,193.20 = 171,174,937.13 : x - Step 2: Convert to fraction form
580,118,786.63/870,202,193.20 = 171,174,937.13/x - Step 3: Cross multiply
580,118,786.63x = 870,202,193.20 × 171,174,937.13 - Step 4: Simplify right side
580,118,786.63x = 148,956,805,711,398,112 - Step 5: Solve for x
x = 148,956,805,711,398,112/580,118,786.63 - Step 6: Final answer
x = 256,769,491.26
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1.5x scale
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.