Finding the Fourth Proportional to 759,741,582.88, 1,133,224,748.96 and 689,995,266.04
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Solution
The fourth proportional to 759,741,582.88, 1,133,224,748.96 and 689,995,266.04 is: 1,029,191,674.86
Step by Step Solution
- Step 1: Write the proportion equation
759,741,582.88 : 1,133,224,748.96 = 689,995,266.04 : x - Step 2: Convert to fraction form
759,741,582.88/1,133,224,748.96 = 689,995,266.04/x - Step 3: Cross multiply
759,741,582.88x = 1,133,224,748.96 × 689,995,266.04 - Step 4: Simplify right side
759,741,582.88x = 781,919,712,141,767,424 - Step 5: Solve for x
x = 781,919,712,141,767,424/759,741,582.88 - Step 6: Final answer
x = 1,029,191,674.86
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.