Finding the Fourth Proportional to 1,626,912,110.70, 2,440,368,166.05 and 521,514,830.70
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Solution
The fourth proportional to 1,626,912,110.70, 2,440,368,166.05 and 521,514,830.70 is: 782,272,246.05
Step by Step Solution
- Step 1: Write the proportion equation
1,626,912,110.70 : 2,440,368,166.05 = 521,514,830.70 : x - Step 2: Convert to fraction form
1,626,912,110.70/2,440,368,166.05 = 521,514,830.70/x - Step 3: Cross multiply
1,626,912,110.70x = 2,440,368,166.05 × 521,514,830.70 - Step 4: Simplify right side
1,626,912,110.70x = 1,272,688,190,963,235,328 - Step 5: Solve for x
x = 1,272,688,190,963,235,328/1,626,912,110.70 - Step 6: Final answer
x = 782,272,246.05
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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.