Finding the Fourth Proportional to 470,529,473.36, 649,327,089.86 and 258,831,757.10
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Solution
The fourth proportional to 470,529,473.36, 649,327,089.86 and 258,831,757.10 is: 357,185,853.64
Step by Step Solution
- Step 1: Write the proportion equation
470,529,473.36 : 649,327,089.86 = 258,831,757.10 : x - Step 2: Convert to fraction form
470,529,473.36/649,327,089.86 = 258,831,757.10/x - Step 3: Cross multiply
470,529,473.36x = 649,327,089.86 × 258,831,757.10 - Step 4: Simplify right side
470,529,473.36x = 168,066,471,602,393,152 - Step 5: Solve for x
x = 168,066,471,602,393,152/470,529,473.36 - Step 6: Final answer
x = 357,185,853.64
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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.