Finding the Fourth Proportional to 487,763,239.93, 673,095,246.99 and 264,740,133.19
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Solution
The fourth proportional to 487,763,239.93, 673,095,246.99 and 264,740,133.19 is: 365,331,600.97
Step by Step Solution
- Step 1: Write the proportion equation
487,763,239.93 : 673,095,246.99 = 264,740,133.19 : x - Step 2: Convert to fraction form
487,763,239.93/673,095,246.99 = 264,740,133.19/x - Step 3: Cross multiply
487,763,239.93x = 673,095,246.99 × 264,740,133.19 - Step 4: Simplify right side
487,763,239.93x = 178,195,325,337,688,544 - Step 5: Solve for x
x = 178,195,325,337,688,544/487,763,239.93 - Step 6: Final answer
x = 365,331,600.97
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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.