Finding the Fourth Proportional to 268,692,826,952.80, 403,095,844,898.61 and 87,161,485,157.65
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Solution
The fourth proportional to 268,692,826,952.80, 403,095,844,898.61 and 87,161,485,157.65 is: 130,760,589,706.45
Step by Step Solution
- Step 1: Write the proportion equation
268,692,826,952.80 : 403,095,844,898.61 = 87,161,485,157.65 : x - Step 2: Convert to fraction form
268,692,826,952.80/403,095,844,898.61 = 87,161,485,157.65/x - Step 3: Cross multiply
268,692,826,952.80x = 403,095,844,898.61 × 87,161,485,157.65 - Step 4: Simplify right side
268,692,826,952.80x = 35,134,432,502,240,579,158,016 - Step 5: Solve for x
x = 35,134,432,502,240,579,158,016/268,692,826,952.80 - Step 6: Final answer
x = 130,760,589,706.45
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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.