Finding the Fourth Proportional to 1,609,640,069.80, 2,414,460,104.70 and 793,346,693.80
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Solution
The fourth proportional to 1,609,640,069.80, 2,414,460,104.70 and 793,346,693.80 is: 1,190,020,040.70
Step by Step Solution
- Step 1: Write the proportion equation
1,609,640,069.80 : 2,414,460,104.70 = 793,346,693.80 : x - Step 2: Convert to fraction form
1,609,640,069.80/2,414,460,104.70 = 793,346,693.80/x - Step 3: Cross multiply
1,609,640,069.80x = 2,414,460,104.70 × 793,346,693.80 - Step 4: Simplify right side
1,609,640,069.80x = 1,915,503,941,375,746,560 - Step 5: Solve for x
x = 1,915,503,941,375,746,560/1,609,640,069.80 - Step 6: Final answer
x = 1,190,020,040.70
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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.