Finding the Fourth Proportional to 840,062,246.70, 1,259,715,456.45 and 322,320,614.70
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Solution
The fourth proportional to 840,062,246.70, 1,259,715,456.45 and 322,320,614.70 is: 483,335,921.67
Step by Step Solution
- Step 1: Write the proportion equation
840,062,246.70 : 1,259,715,456.45 = 322,320,614.70 : x - Step 2: Convert to fraction form
840,062,246.70/1,259,715,456.45 = 322,320,614.70/x - Step 3: Cross multiply
840,062,246.70x = 1,259,715,456.45 × 322,320,614.70 - Step 4: Simplify right side
840,062,246.70x = 406,032,260,270,055,104 - Step 5: Solve for x
x = 406,032,260,270,055,104/840,062,246.70 - Step 6: Final answer
x = 483,335,921.67
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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.