Finding the Fourth Proportional to 7,387,788,132.12, 10,195,157,456.64 and 4,000,703,266.92
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Solution
The fourth proportional to 7,387,788,132.12, 10,195,157,456.64 and 4,000,703,266.92 is: 5,520,975,833.92
Step by Step Solution
- Step 1: Write the proportion equation
7,387,788,132.12 : 10,195,157,456.64 = 4,000,703,266.92 : x - Step 2: Convert to fraction form
7,387,788,132.12/10,195,157,456.64 = 4,000,703,266.92/x - Step 3: Cross multiply
7,387,788,132.12x = 10,195,157,456.64 × 4,000,703,266.92 - Step 4: Simplify right side
7,387,788,132.12x = 40,787,799,743,543,443,456 - Step 5: Solve for x
x = 40,787,799,743,543,443,456/7,387,788,132.12 - Step 6: Final answer
x = 5,520,975,833.92
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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.