Finding the Fourth Proportional to 7,230,030,292.64, 9,976,894,243.68 and 4,057,601,510.08
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Solution
The fourth proportional to 7,230,030,292.64, 9,976,894,243.68 and 4,057,601,510.08 is: 5,599,182,784.93
Step by Step Solution
- Step 1: Write the proportion equation
7,230,030,292.64 : 9,976,894,243.68 = 4,057,601,510.08 : x - Step 2: Convert to fraction form
7,230,030,292.64/9,976,894,243.68 = 4,057,601,510.08/x - Step 3: Cross multiply
7,230,030,292.64x = 9,976,894,243.68 × 4,057,601,510.08 - Step 4: Simplify right side
7,230,030,292.64x = 40,482,261,149,064,429,568 - Step 5: Solve for x
x = 40,482,261,149,064,429,568/7,230,030,292.64 - Step 6: Final answer
x = 5,599,182,784.93
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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.