Finding the Fourth Proportional to 2,817,595,376.81, 4,226,390,636.86 and 719,071,615.79
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Solution
The fourth proportional to 2,817,595,376.81, 4,226,390,636.86 and 719,071,615.79 is: 1,078,606,803.94
Step by Step Solution
- Step 1: Write the proportion equation
2,817,595,376.81 : 4,226,390,636.86 = 719,071,615.79 : x - Step 2: Convert to fraction form
2,817,595,376.81/4,226,390,636.86 = 719,071,615.79/x - Step 3: Cross multiply
2,817,595,376.81x = 4,226,390,636.86 × 719,071,615.79 - Step 4: Simplify right side
2,817,595,376.81x = 3,039,077,544,185,515,520 - Step 5: Solve for x
x = 3,039,077,544,185,515,520/2,817,595,376.81 - Step 6: Final answer
x = 1,078,606,803.94
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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.