Finding the Fourth Proportional to 1,656,288,092.40, 2,484,432,138.60 and 507,281,449.20
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Solution
The fourth proportional to 1,656,288,092.40, 2,484,432,138.60 and 507,281,449.20 is: 760,922,173.80
Step by Step Solution
- Step 1: Write the proportion equation
1,656,288,092.40 : 2,484,432,138.60 = 507,281,449.20 : x - Step 2: Convert to fraction form
1,656,288,092.40/2,484,432,138.60 = 507,281,449.20/x - Step 3: Cross multiply
1,656,288,092.40x = 2,484,432,138.60 × 507,281,449.20 - Step 4: Simplify right side
1,656,288,092.40x = 1,260,306,335,708,063,232 - Step 5: Solve for x
x = 1,260,306,335,708,063,232/1,656,288,092.40 - Step 6: Final answer
x = 760,922,173.80
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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.