Finding the Fourth Proportional to 372,101,397.84, 513,499,929.84 and 207,127,939.68
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Solution
The fourth proportional to 372,101,397.84, 513,499,929.84 and 207,127,939.68 is: 285,836,557.22
Step by Step Solution
- Step 1: Write the proportion equation
372,101,397.84 : 513,499,929.84 = 207,127,939.68 : x - Step 2: Convert to fraction form
372,101,397.84/513,499,929.84 = 207,127,939.68/x - Step 3: Cross multiply
372,101,397.84x = 513,499,929.84 × 207,127,939.68 - Step 4: Simplify right side
372,101,397.84x = 106,360,182,493,583,744 - Step 5: Solve for x
x = 106,360,182,493,583,744/372,101,397.84 - Step 6: Final answer
x = 285,836,557.22
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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.