Finding the Fourth Proportional to 1,444,557,491.86, 2,163,157,809.90 and 951,776,789.08
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Solution
The fourth proportional to 1,444,557,491.86, 2,163,157,809.90 and 951,776,789.08 is: 1,425,241,574.79
Step by Step Solution
- Step 1: Write the proportion equation
1,444,557,491.86 : 2,163,157,809.90 = 951,776,789.08 : x - Step 2: Convert to fraction form
1,444,557,491.86/2,163,157,809.90 = 951,776,789.08/x - Step 3: Cross multiply
1,444,557,491.86x = 2,163,157,809.90 × 951,776,789.08 - Step 4: Simplify right side
1,444,557,491.86x = 2,058,843,394,579,947,264 - Step 5: Solve for x
x = 2,058,843,394,579,947,264/1,444,557,491.86 - Step 6: Final answer
x = 1,425,241,574.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.