Finding the Fourth Proportional to 398,956,380.84, 597,915,494.96 and 162,330,139.62
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Solution
The fourth proportional to 398,956,380.84, 597,915,494.96 and 162,330,139.62 is: 243,284,004.06
Step by Step Solution
- Step 1: Write the proportion equation
398,956,380.84 : 597,915,494.96 = 162,330,139.62 : x - Step 2: Convert to fraction form
398,956,380.84/597,915,494.96 = 162,330,139.62/x - Step 3: Cross multiply
398,956,380.84x = 597,915,494.96 × 162,330,139.62 - Step 4: Simplify right side
398,956,380.84x = 97,059,705,777,006,560 - Step 5: Solve for x
x = 97,059,705,777,006,560/398,956,380.84 - Step 6: Final answer
x = 243,284,004.06
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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.