Finding the Fourth Proportional to 2,887,063,749.60, 3,983,465,129.28 and 1,634,000,605.44
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Solution
The fourth proportional to 2,887,063,749.60, 3,983,465,129.28 and 1,634,000,605.44 is: 2,254,534,363.47
Step by Step Solution
- Step 1: Write the proportion equation
2,887,063,749.60 : 3,983,465,129.28 = 1,634,000,605.44 : x - Step 2: Convert to fraction form
2,887,063,749.60/3,983,465,129.28 = 1,634,000,605.44/x - Step 3: Cross multiply
2,887,063,749.60x = 3,983,465,129.28 × 1,634,000,605.44 - Step 4: Simplify right side
2,887,063,749.60x = 6,508,984,432,992,648,192 - Step 5: Solve for x
x = 6,508,984,432,992,648,192/2,887,063,749.60 - Step 6: Final answer
x = 2,254,534,363.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.