Finding the Fourth Proportional to 1,215,409,671.95, 1,676,339,944.19 and 1,046,151,982.76
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Solution
The fourth proportional to 1,215,409,671.95, 1,676,339,944.19 and 1,046,151,982.76 is: 1,442,893,204.54
Step by Step Solution
- Step 1: Write the proportion equation
1,215,409,671.95 : 1,676,339,944.19 = 1,046,151,982.76 : x - Step 2: Convert to fraction form
1,215,409,671.95/1,676,339,944.19 = 1,046,151,982.76/x - Step 3: Cross multiply
1,215,409,671.95x = 1,676,339,944.19 × 1,046,151,982.76 - Step 4: Simplify right side
1,215,409,671.95x = 1,753,706,356,394,156,288 - Step 5: Solve for x
x = 1,753,706,356,394,156,288/1,215,409,671.95 - Step 6: Final answer
x = 1,442,893,204.54
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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.