Finding the Fourth Proportional to 913,498,928, 1,260,629,905.92 and 495,811,366.08
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Solution
The fourth proportional to 913,498,928, 1,260,629,905.92 and 495,811,366.08 is: 684,220,437.07
Step by Step Solution
- Step 1: Write the proportion equation
913,498,928 : 1,260,629,905.92 = 495,811,366.08 : x - Step 2: Convert to fraction form
913,498,928/1,260,629,905.92 = 495,811,366.08/x - Step 3: Cross multiply
913,498,928x = 1,260,629,905.92 × 495,811,366.08 - Step 4: Simplify right side
913,498,928x = 625,034,635,775,497,088 - Step 5: Solve for x
x = 625,034,635,775,497,088/913,498,928 - Step 6: Final answer
x = 684,220,437.07
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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.