Finding the Fourth Proportional to 2,183,650,420.80, 3,275,475,631.20 and 1,214,302,036.80
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Solution
The fourth proportional to 2,183,650,420.80, 3,275,475,631.20 and 1,214,302,036.80 is: 1,821,453,055.20
Step by Step Solution
- Step 1: Write the proportion equation
2,183,650,420.80 : 3,275,475,631.20 = 1,214,302,036.80 : x - Step 2: Convert to fraction form
2,183,650,420.80/3,275,475,631.20 = 1,214,302,036.80/x - Step 3: Cross multiply
2,183,650,420.80x = 3,275,475,631.20 × 1,214,302,036.80 - Step 4: Simplify right side
2,183,650,420.80x = 3,977,416,730,454,925,312 - Step 5: Solve for x
x = 3,977,416,730,454,925,312/2,183,650,420.80 - Step 6: Final answer
x = 1,821,453,055.20
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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.