Finding the Fourth Proportional to 2,029,781,437.60, 3,042,121,239.60 and 992,408,605.60
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Solution
The fourth proportional to 2,029,781,437.60, 3,042,121,239.60 and 992,408,605.60 is: 1,487,365,704.27
Step by Step Solution
- Step 1: Write the proportion equation
2,029,781,437.60 : 3,042,121,239.60 = 992,408,605.60 : x - Step 2: Convert to fraction form
2,029,781,437.60/3,042,121,239.60 = 992,408,605.60/x - Step 3: Cross multiply
2,029,781,437.60x = 3,042,121,239.60 × 992,408,605.60 - Step 4: Simplify right side
2,029,781,437.60x = 3,019,027,297,457,579,520 - Step 5: Solve for x
x = 3,019,027,297,457,579,520/2,029,781,437.60 - Step 6: Final answer
x = 1,487,365,704.27
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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.