Finding the Fourth Proportional to 1,543,571,031,474.80, 2,130,186,793,739.50 and 858,508,294,792.32
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Solution
The fourth proportional to 1,543,571,031,474.80, 2,130,186,793,739.50 and 858,508,294,792.32 is: 1,184,774,133,870.03
Step by Step Solution
- Step 1: Write the proportion equation
1,543,571,031,474.80 : 2,130,186,793,739.50 = 858,508,294,792.32 : x - Step 2: Convert to fraction form
1,543,571,031,474.80/2,130,186,793,739.50 = 858,508,294,792.32/x - Step 3: Cross multiply
1,543,571,031,474.80x = 2,130,186,793,739.50 × 858,508,294,792.32 - Step 4: Simplify right side
1,543,571,031,474.80x = 1,828,783,031,882,417,449,205,760 - Step 5: Solve for x
x = 1,828,783,031,882,417,449,205,760/1,543,571,031,474.80 - Step 6: Final answer
x = 1,184,774,133,870.03
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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.