Finding the Fourth Proportional to 479,285,484.84, 718,948,741.35 and 188,215,588.14
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Solution
The fourth proportional to 479,285,484.84, 718,948,741.35 and 188,215,588.14 is: 282,331,438.10
Step by Step Solution
- Step 1: Write the proportion equation
479,285,484.84 : 718,948,741.35 = 188,215,588.14 : x - Step 2: Convert to fraction form
479,285,484.84/718,948,741.35 = 188,215,588.14/x - Step 3: Cross multiply
479,285,484.84x = 718,948,741.35 × 188,215,588.14 - Step 4: Simplify right side
479,285,484.84x = 135,317,360,195,702,976 - Step 5: Solve for x
x = 135,317,360,195,702,976/479,285,484.84 - Step 6: Final answer
x = 282,331,438.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.