Finding the Fourth Proportional to 1,656,288,213.60, 2,484,432,320.40 and 1,645,538,671.20
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Solution
The fourth proportional to 1,656,288,213.60, 2,484,432,320.40 and 1,645,538,671.20 is: 2,468,308,006.80
Step by Step Solution
- Step 1: Write the proportion equation
1,656,288,213.60 : 2,484,432,320.40 = 1,645,538,671.20 : x - Step 2: Convert to fraction form
1,656,288,213.60/2,484,432,320.40 = 1,645,538,671.20/x - Step 3: Cross multiply
1,656,288,213.60x = 2,484,432,320.40 × 1,645,538,671.20 - Step 4: Simplify right side
1,656,288,213.60x = 4,088,229,459,197,348,864 - Step 5: Solve for x
x = 4,088,229,459,197,348,864/1,656,288,213.60 - Step 6: Final answer
x = 2,468,308,006.80
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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.