Finding the Fourth Proportional to 7,387,788,132.62, 10,195,157,457.33 and 4,000,703,267.42
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Solution
The fourth proportional to 7,387,788,132.62, 10,195,157,457.33 and 4,000,703,267.42 is: 5,520,975,834.61
Step by Step Solution
- Step 1: Write the proportion equation
7,387,788,132.62 : 10,195,157,457.33 = 4,000,703,267.42 : x - Step 2: Convert to fraction form
7,387,788,132.62/10,195,157,457.33 = 4,000,703,267.42/x - Step 3: Cross multiply
7,387,788,132.62x = 10,195,157,457.33 × 4,000,703,267.42 - Step 4: Simplify right side
7,387,788,132.62x = 40,787,799,751,401,512,960 - Step 5: Solve for x
x = 40,787,799,751,401,512,960/7,387,788,132.62 - Step 6: Final answer
x = 5,520,975,834.61
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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.