Finding the Fourth Proportional to 2,065,150,131.48, 2,849,891,403.42 and 1,125,349,867.08
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Solution
The fourth proportional to 2,065,150,131.48, 2,849,891,403.42 and 1,125,349,867.08 is: 1,552,974,218.75
Step by Step Solution
- Step 1: Write the proportion equation
2,065,150,131.48 : 2,849,891,403.42 = 1,125,349,867.08 : x - Step 2: Convert to fraction form
2,065,150,131.48/2,849,891,403.42 = 1,125,349,867.08/x - Step 3: Cross multiply
2,065,150,131.48x = 2,849,891,403.42 × 1,125,349,867.08 - Step 4: Simplify right side
2,065,150,131.48x = 3,207,124,912,031,131,648 - Step 5: Solve for x
x = 3,207,124,912,031,131,648/2,065,150,131.48 - Step 6: Final answer
x = 1,552,974,218.75
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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.