Finding the Fourth Proportional to 262,484,318.19, 393,785,112.12 and 98,723,494.80
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Solution
The fourth proportional to 262,484,318.19, 393,785,112.12 and 98,723,494.80 is: 148,107,295.47
Step by Step Solution
- Step 1: Write the proportion equation
262,484,318.19 : 393,785,112.12 = 98,723,494.80 : x - Step 2: Convert to fraction form
262,484,318.19/393,785,112.12 = 98,723,494.80/x - Step 3: Cross multiply
262,484,318.19x = 393,785,112.12 × 98,723,494.80 - Step 4: Simplify right side
262,484,318.19x = 38,875,842,469,710,168 - Step 5: Solve for x
x = 38,875,842,469,710,168/262,484,318.19 - Step 6: Final answer
x = 148,107,295.47
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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.