Finding the Fourth Proportional to 336,516,487.43, 464,470,236.68 and 197,332,089.53
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Solution
The fourth proportional to 336,516,487.43, 464,470,236.68 and 197,332,089.53 is: 272,363,719.91
Step by Step Solution
- Step 1: Write the proportion equation
336,516,487.43 : 464,470,236.68 = 197,332,089.53 : x - Step 2: Convert to fraction form
336,516,487.43/464,470,236.68 = 197,332,089.53/x - Step 3: Cross multiply
336,516,487.43x = 464,470,236.68 × 197,332,089.53 - Step 4: Simplify right side
336,516,487.43x = 91,654,882,325,249,040 - Step 5: Solve for x
x = 91,654,882,325,249,040/336,516,487.43 - Step 6: Final answer
x = 272,363,719.91
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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.