Finding the Fourth Proportional to 3,823,842,663.34, 5,277,065,730.96 and 2,130,296,349.49
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Solution
The fourth proportional to 3,823,842,663.34, 5,277,065,730.96 and 2,130,296,349.49 is: 2,939,899,690.55
Step by Step Solution
- Step 1: Write the proportion equation
3,823,842,663.34 : 5,277,065,730.96 = 2,130,296,349.49 : x - Step 2: Convert to fraction form
3,823,842,663.34/5,277,065,730.96 = 2,130,296,349.49/x - Step 3: Cross multiply
3,823,842,663.34x = 5,277,065,730.96 × 2,130,296,349.49 - Step 4: Simplify right side
3,823,842,663.34x = 11,241,713,862,682,865,664 - Step 5: Solve for x
x = 11,241,713,862,682,865,664/3,823,842,663.34 - Step 6: Final answer
x = 2,939,899,690.55
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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.