Finding the Fourth Proportional to 439,767,604.40, 659,726,056.20 and 133,057,281.20
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Solution
The fourth proportional to 439,767,604.40, 659,726,056.20 and 133,057,281.20 is: 199,608,507.99
Step by Step Solution
- Step 1: Write the proportion equation
439,767,604.40 : 659,726,056.20 = 133,057,281.20 : x - Step 2: Convert to fraction form
439,767,604.40/659,726,056.20 = 133,057,281.20/x - Step 3: Cross multiply
439,767,604.40x = 659,726,056.20 × 133,057,281.20 - Step 4: Simplify right side
439,767,604.40x = 87,781,355,374,770,416 - Step 5: Solve for x
x = 87,781,355,374,770,416/439,767,604.40 - Step 6: Final answer
x = 199,608,507.99
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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.