Finding the Fourth Proportional to 1,581,872,672.07, 2,373,269,742.05 and 708,269,736.56
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Solution
The fourth proportional to 1,581,872,672.07, 2,373,269,742.05 and 708,269,736.56 is: 1,062,610,894.45
Step by Step Solution
- Step 1: Write the proportion equation
1,581,872,672.07 : 2,373,269,742.05 = 708,269,736.56 : x - Step 2: Convert to fraction form
1,581,872,672.07/2,373,269,742.05 = 708,269,736.56/x - Step 3: Cross multiply
1,581,872,672.07x = 2,373,269,742.05 × 708,269,736.56 - Step 4: Simplify right side
1,581,872,672.07x = 1,680,915,134,972,164,864 - Step 5: Solve for x
x = 1,680,915,134,972,164,864/1,581,872,672.07 - Step 6: Final answer
x = 1,062,610,894.45
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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.