Finding the Fourth Proportional to 3,823,842,660.84, 5,277,065,727.51 and 2,130,296,346.99
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Solution
The fourth proportional to 3,823,842,660.84, 5,277,065,727.51 and 2,130,296,346.99 is: 2,939,899,687.10
Step by Step Solution
- Step 1: Write the proportion equation
3,823,842,660.84 : 5,277,065,727.51 = 2,130,296,346.99 : x - Step 2: Convert to fraction form
3,823,842,660.84/5,277,065,727.51 = 2,130,296,346.99/x - Step 3: Cross multiply
3,823,842,660.84x = 5,277,065,727.51 × 2,130,296,346.99 - Step 4: Simplify right side
3,823,842,660.84x = 11,241,713,842,140,680,192 - Step 5: Solve for x
x = 11,241,713,842,140,680,192/3,823,842,660.84 - Step 6: Final answer
x = 2,939,899,687.10
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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.