Finding the Fourth Proportional to 7,270,167,923.15, 10,889,979,979.88 and 4,612,856,182.05
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Solution
The fourth proportional to 7,270,167,923.15, 10,889,979,979.88 and 4,612,856,182.05 is: 6,909,594,386.77
Step by Step Solution
- Step 1: Write the proportion equation
7,270,167,923.15 : 10,889,979,979.88 = 4,612,856,182.05 : x - Step 2: Convert to fraction form
7,270,167,923.15/10,889,979,979.88 = 4,612,856,182.05/x - Step 3: Cross multiply
7,270,167,923.15x = 10,889,979,979.88 × 4,612,856,182.05 - Step 4: Simplify right side
7,270,167,923.15x = 50,233,911,472,643,235,840 - Step 5: Solve for x
x = 50,233,911,472,643,235,840/7,270,167,923.15 - Step 6: Final answer
x = 6,909,594,386.77
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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.