Finding the Fourth Proportional to 1,885,855,664.88, 2,602,483,220.70 and 1,027,526,180.58
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Solution
The fourth proportional to 1,885,855,664.88, 2,602,483,220.70 and 1,027,526,180.58 is: 1,417,987,438.59
Step by Step Solution
- Step 1: Write the proportion equation
1,885,855,664.88 : 2,602,483,220.70 = 1,027,526,180.58 : x - Step 2: Convert to fraction form
1,885,855,664.88/2,602,483,220.70 = 1,027,526,180.58/x - Step 3: Cross multiply
1,885,855,664.88x = 2,602,483,220.70 × 1,027,526,180.58 - Step 4: Simplify right side
1,885,855,664.88x = 2,674,119,643,789,408,256 - Step 5: Solve for x
x = 2,674,119,643,789,408,256/1,885,855,664.88 - Step 6: Final answer
x = 1,417,987,438.59
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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.