Finding the Fourth Proportional to 6,436,354,876.80, 9,654,532,315.20 and 5,563,941,331.20
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Solution
The fourth proportional to 6,436,354,876.80, 9,654,532,315.20 and 5,563,941,331.20 is: 8,345,911,996.80
Step by Step Solution
- Step 1: Write the proportion equation
6,436,354,876.80 : 9,654,532,315.20 = 5,563,941,331.20 : x - Step 2: Convert to fraction form
6,436,354,876.80/9,654,532,315.20 = 5,563,941,331.20/x - Step 3: Cross multiply
6,436,354,876.80x = 9,654,532,315.20 × 5,563,941,331.20 - Step 4: Simplify right side
6,436,354,876.80x = 53,717,251,381,947,310,080 - Step 5: Solve for x
x = 53,717,251,381,947,310,080/6,436,354,876.80 - Step 6: Final answer
x = 8,345,911,996.80
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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.