Finding the Fourth Proportional to 563,462,794.09, 777,462,215.81 and 325,303,851.56
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Solution
The fourth proportional to 563,462,794.09, 777,462,215.81 and 325,303,851.56 is: 448,852,090.85
Step by Step Solution
- Step 1: Write the proportion equation
563,462,794.09 : 777,462,215.81 = 325,303,851.56 : x - Step 2: Convert to fraction form
563,462,794.09/777,462,215.81 = 325,303,851.56/x - Step 3: Cross multiply
563,462,794.09x = 777,462,215.81 × 325,303,851.56 - Step 4: Simplify right side
563,462,794.09x = 252,911,453,243,863,968 - Step 5: Solve for x
x = 252,911,453,243,863,968/563,462,794.09 - Step 6: Final answer
x = 448,852,090.85
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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.