Finding the Fourth Proportional to 2,794,752,461.10, 4,192,128,691.65 and 2,149,779,917.10
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Solution
The fourth proportional to 2,794,752,461.10, 4,192,128,691.65 and 2,149,779,917.10 is: 3,224,669,875.65
Step by Step Solution
- Step 1: Write the proportion equation
2,794,752,461.10 : 4,192,128,691.65 = 2,149,779,917.10 : x - Step 2: Convert to fraction form
2,794,752,461.10/4,192,128,691.65 = 2,149,779,917.10/x - Step 3: Cross multiply
2,794,752,461.10x = 4,192,128,691.65 × 2,149,779,917.10 - Step 4: Simplify right side
2,794,752,461.10x = 9,012,154,071,207,868,416 - Step 5: Solve for x
x = 9,012,154,071,207,868,416/2,794,752,461.10 - Step 6: Final answer
x = 3,224,669,875.65
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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.