Finding the Fourth Proportional to 2,859,183,660.20, 4,288,775,490.30 and 1,018,272,036.20
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Solution
The fourth proportional to 2,859,183,660.20, 4,288,775,490.30 and 1,018,272,036.20 is: 1,527,408,054.30
Step by Step Solution
- Step 1: Write the proportion equation
2,859,183,660.20 : 4,288,775,490.30 = 1,018,272,036.20 : x - Step 2: Convert to fraction form
2,859,183,660.20/4,288,775,490.30 = 1,018,272,036.20/x - Step 3: Cross multiply
2,859,183,660.20x = 4,288,775,490.30 × 1,018,272,036.20 - Step 4: Simplify right side
2,859,183,660.20x = 4,367,140,151,312,434,688 - Step 5: Solve for x
x = 4,367,140,151,312,434,688/2,859,183,660.20 - Step 6: Final answer
x = 1,527,408,054.30
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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.