Finding the Fourth Proportional to 2,859,183,656.20, 4,288,775,484.30 and 1,018,272,032.20
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Solution
The fourth proportional to 2,859,183,656.20, 4,288,775,484.30 and 1,018,272,032.20 is: 1,527,408,048.30
Step by Step Solution
- Step 1: Write the proportion equation
2,859,183,656.20 : 4,288,775,484.30 = 1,018,272,032.20 : x - Step 2: Convert to fraction form
2,859,183,656.20/4,288,775,484.30 = 1,018,272,032.20/x - Step 3: Cross multiply
2,859,183,656.20x = 4,288,775,484.30 × 1,018,272,032.20 - Step 4: Simplify right side
2,859,183,656.20x = 4,367,140,128,047,700,480 - Step 5: Solve for x
x = 4,367,140,128,047,700,480/2,859,183,656.20 - Step 6: Final answer
x = 1,527,408,048.30
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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.