Finding the Fourth Proportional to 7,145,415,875.07, 10,716,711,339.74 and 6,791,060,648.66
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Solution
The fourth proportional to 7,145,415,875.07, 10,716,711,339.74 and 6,791,060,648.66 is: 10,185,248,547.42
Step by Step Solution
- Step 1: Write the proportion equation
7,145,415,875.07 : 10,716,711,339.74 = 6,791,060,648.66 : x - Step 2: Convert to fraction form
7,145,415,875.07/10,716,711,339.74 = 6,791,060,648.66/x - Step 3: Cross multiply
7,145,415,875.07x = 10,716,711,339.74 × 6,791,060,648.66 - Step 4: Simplify right side
7,145,415,875.07x = 72,777,836,662,269,165,568 - Step 5: Solve for x
x = 72,777,836,662,269,165,568/7,145,415,875.07 - Step 6: Final answer
x = 10,185,248,547.42
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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.