Finding the Fourth Proportional to 5,399,354,057.40, 7,451,119,536.93 and 3,020,531,720.31
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Solution
The fourth proportional to 5,399,354,057.40, 7,451,119,536.93 and 3,020,531,720.31 is: 4,168,339,892.86
Step by Step Solution
- Step 1: Write the proportion equation
5,399,354,057.40 : 7,451,119,536.93 = 3,020,531,720.31 : x - Step 2: Convert to fraction form
5,399,354,057.40/7,451,119,536.93 = 3,020,531,720.31/x - Step 3: Cross multiply
5,399,354,057.40x = 7,451,119,536.93 × 3,020,531,720.31 - Step 4: Simplify right side
5,399,354,057.40x = 22,506,342,913,118,625,792 - Step 5: Solve for x
x = 22,506,342,913,118,625,792/5,399,354,057.40 - Step 6: Final answer
x = 4,168,339,892.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.