Finding the Fourth Proportional to 291,756,663.11, 402,633,798.38 and 159,594,635.19
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Solution
The fourth proportional to 291,756,663.11, 402,633,798.38 and 159,594,635.19 is: 220,245,849.68
Step by Step Solution
- Step 1: Write the proportion equation
291,756,663.11 : 402,633,798.38 = 159,594,635.19 : x - Step 2: Convert to fraction form
291,756,663.11/402,633,798.38 = 159,594,635.19/x - Step 3: Cross multiply
291,756,663.11x = 402,633,798.38 × 159,594,635.19 - Step 4: Simplify right side
291,756,663.11x = 64,258,194,167,620,112 - Step 5: Solve for x
x = 64,258,194,167,620,112/291,756,663.11 - Step 6: Final answer
x = 220,245,849.68
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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.