Finding the Fourth Proportional to 310,319,731.11, 465,593,098.85 and 144,402,366.63
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Solution
The fourth proportional to 310,319,731.11, 465,593,098.85 and 144,402,366.63 is: 216,656,366.38
Step by Step Solution
- Step 1: Write the proportion equation
310,319,731.11 : 465,593,098.85 = 144,402,366.63 : x - Step 2: Convert to fraction form
310,319,731.11/465,593,098.85 = 144,402,366.63/x - Step 3: Cross multiply
310,319,731.11x = 465,593,098.85 × 144,402,366.63 - Step 4: Simplify right side
310,319,731.11x = 67,232,745,359,813,520 - Step 5: Solve for x
x = 67,232,745,359,813,520/310,319,731.11 - Step 6: Final answer
x = 216,656,366.38
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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.