Finding the Fourth Proportional to 2,901,743,999.30, 4,352,615,998.96 and 720,710,135.30
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Solution
The fourth proportional to 2,901,743,999.30, 4,352,615,998.96 and 720,710,135.30 is: 1,081,065,202.95
Step by Step Solution
- Step 1: Write the proportion equation
2,901,743,999.30 : 4,352,615,998.96 = 720,710,135.30 : x - Step 2: Convert to fraction form
2,901,743,999.30/4,352,615,998.96 = 720,710,135.30/x - Step 3: Cross multiply
2,901,743,999.30x = 4,352,615,998.96 × 720,710,135.30 - Step 4: Simplify right side
2,901,743,999.30x = 3,136,974,465,519,406,080 - Step 5: Solve for x
x = 3,136,974,465,519,406,080/2,901,743,999.30 - Step 6: Final answer
x = 1,081,065,202.95
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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.