Finding the Fourth Proportional to 1,259,596,944.40, 1,888,009,733.40 and 441,288,029.20
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Solution
The fourth proportional to 1,259,596,944.40, 1,888,009,733.40 and 441,288,029.20 is: 661,446,582.63
Step by Step Solution
- Step 1: Write the proportion equation
1,259,596,944.40 : 1,888,009,733.40 = 441,288,029.20 : x - Step 2: Convert to fraction form
1,259,596,944.40/1,888,009,733.40 = 441,288,029.20/x - Step 3: Cross multiply
1,259,596,944.40x = 1,888,009,733.40 × 441,288,029.20 - Step 4: Simplify right side
1,259,596,944.40x = 833,156,094,362,503,424 - Step 5: Solve for x
x = 833,156,094,362,503,424/1,259,596,944.40 - Step 6: Final answer
x = 661,446,582.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.