Finding the Fourth Proportional to 353,624,426.14, 487,979,719.99 and 194,845,663.68
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Solution
The fourth proportional to 353,624,426.14, 487,979,719.99 and 194,845,663.68 is: 268,874,900.53
Step by Step Solution
- Step 1: Write the proportion equation
353,624,426.14 : 487,979,719.99 = 194,845,663.68 : x - Step 2: Convert to fraction form
353,624,426.14/487,979,719.99 = 194,845,663.68/x - Step 3: Cross multiply
353,624,426.14x = 487,979,719.99 × 194,845,663.68 - Step 4: Simplify right side
353,624,426.14x = 95,080,732,403,832,112 - Step 5: Solve for x
x = 95,080,732,403,832,112/353,624,426.14 - Step 6: Final answer
x = 268,874,900.53
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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.