Finding the Fourth Proportional to 977,173,213.30, 1,465,759,819.95 and 824,118,205.30
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Solution
The fourth proportional to 977,173,213.30, 1,465,759,819.95 and 824,118,205.30 is: 1,236,177,307.95
Step by Step Solution
- Step 1: Write the proportion equation
977,173,213.30 : 1,465,759,819.95 = 824,118,205.30 : x - Step 2: Convert to fraction form
977,173,213.30/1,465,759,819.95 = 824,118,205.30/x - Step 3: Cross multiply
977,173,213.30x = 1,465,759,819.95 × 824,118,205.30 - Step 4: Simplify right side
977,173,213.30x = 1,207,959,352,218,045,184 - Step 5: Solve for x
x = 1,207,959,352,218,045,184/977,173,213.30 - Step 6: Final answer
x = 1,236,177,307.95
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Double scale
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Similar ratio
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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.