Finding the Fourth Proportional to 3,219,265,235.60, 4,828,897,853.40 and 2,178,491,181.20
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Solution
The fourth proportional to 3,219,265,235.60, 4,828,897,853.40 and 2,178,491,181.20 is: 3,267,736,771.80
Step by Step Solution
- Step 1: Write the proportion equation
3,219,265,235.60 : 4,828,897,853.40 = 2,178,491,181.20 : x - Step 2: Convert to fraction form
3,219,265,235.60/4,828,897,853.40 = 2,178,491,181.20/x - Step 3: Cross multiply
3,219,265,235.60x = 4,828,897,853.40 × 2,178,491,181.20 - Step 4: Simplify right side
3,219,265,235.60x = 10,519,711,388,547,508,224 - Step 5: Solve for x
x = 10,519,711,388,547,508,224/3,219,265,235.60 - Step 6: Final answer
x = 3,267,736,771.80
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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.