Finding the Fourth Proportional to 5,439,637,153.60, 8,159,455,730.40 and 1,761,781,998.40
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Solution
The fourth proportional to 5,439,637,153.60, 8,159,455,730.40 and 1,761,781,998.40 is: 2,642,672,997.60
Step by Step Solution
- Step 1: Write the proportion equation
5,439,637,153.60 : 8,159,455,730.40 = 1,761,781,998.40 : x - Step 2: Convert to fraction form
5,439,637,153.60/8,159,455,730.40 = 1,761,781,998.40/x - Step 3: Cross multiply
5,439,637,153.60x = 8,159,455,730.40 × 1,761,781,998.40 - Step 4: Simplify right side
5,439,637,153.60x = 14,375,182,222,560,444,416 - Step 5: Solve for x
x = 14,375,182,222,560,444,416/5,439,637,153.60 - Step 6: Final answer
x = 2,642,672,997.60
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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.