Finding the Fourth Proportional to 4,520,487,817.79, 6,238,622,623.22 and 2,712,067,743.84
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Solution
The fourth proportional to 4,520,487,817.79, 6,238,622,623.22 and 2,712,067,743.84 is: 3,742,863,129.91
Step by Step Solution
- Step 1: Write the proportion equation
4,520,487,817.79 : 6,238,622,623.22 = 2,712,067,743.84 : x - Step 2: Convert to fraction form
4,520,487,817.79/6,238,622,623.22 = 2,712,067,743.84/x - Step 3: Cross multiply
4,520,487,817.79x = 6,238,622,623.22 × 2,712,067,743.84 - Step 4: Simplify right side
4,520,487,817.79x = 16,919,567,182,425,450,496 - Step 5: Solve for x
x = 16,919,567,182,425,450,496/4,520,487,817.79 - Step 6: Final answer
x = 3,742,863,129.91
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1.5x scale
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.