Finding the Fourth Proportional to 3,412,071,381.60, 5,118,107,072.40 and 2,830,462,351.20
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Solution
The fourth proportional to 3,412,071,381.60, 5,118,107,072.40 and 2,830,462,351.20 is: 4,245,693,526.80
Step by Step Solution
- Step 1: Write the proportion equation
3,412,071,381.60 : 5,118,107,072.40 = 2,830,462,351.20 : x - Step 2: Convert to fraction form
3,412,071,381.60/5,118,107,072.40 = 2,830,462,351.20/x - Step 3: Cross multiply
3,412,071,381.60x = 5,118,107,072.40 × 2,830,462,351.20 - Step 4: Simplify right side
3,412,071,381.60x = 14,486,609,377,838,651,392 - Step 5: Solve for x
x = 14,486,609,377,838,651,392/3,412,071,381.60 - Step 6: Final answer
x = 4,245,693,526.80
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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.