Finding the Fourth Proportional to 2,953,283,445.20, 4,429,589,244.60 and 772,470,030.80
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Solution
The fourth proportional to 2,953,283,445.20, 4,429,589,244.60 and 772,470,030.80 is: 1,158,617,181.08
Step by Step Solution
- Step 1: Write the proportion equation
2,953,283,445.20 : 4,429,589,244.60 = 772,470,030.80 : x - Step 2: Convert to fraction form
2,953,283,445.20/4,429,589,244.60 = 772,470,030.80/x - Step 3: Cross multiply
2,953,283,445.20x = 4,429,589,244.60 × 772,470,030.80 - Step 4: Simplify right side
2,953,283,445.20x = 3,421,724,940,207,511,040 - Step 5: Solve for x
x = 3,421,724,940,207,511,040/2,953,283,445.20 - Step 6: Final answer
x = 1,158,617,181.08
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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.