Finding the Fourth Proportional to 1,974,091,425.23, 2,724,538,555.34 and 1,249,946,659.09
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Solution
The fourth proportional to 1,974,091,425.23, 2,724,538,555.34 and 1,249,946,659.09 is: 1,725,111,522.84
Step by Step Solution
- Step 1: Write the proportion equation
1,974,091,425.23 : 2,724,538,555.34 = 1,249,946,659.09 : x - Step 2: Convert to fraction form
1,974,091,425.23/2,724,538,555.34 = 1,249,946,659.09/x - Step 3: Cross multiply
1,974,091,425.23x = 2,724,538,555.34 × 1,249,946,659.09 - Step 4: Simplify right side
1,974,091,425.23x = 3,405,527,864,792,265,216 - Step 5: Solve for x
x = 3,405,527,864,792,265,216/1,974,091,425.23 - Step 6: Final answer
x = 1,725,111,522.84
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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.