Finding the Fourth Proportional to 461,237,618.74, 636,507,888.33 and 252,393,786.58
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Solution
The fourth proportional to 461,237,618.74, 636,507,888.33 and 252,393,786.58 is: 348,303,411.51
Step by Step Solution
- Step 1: Write the proportion equation
461,237,618.74 : 636,507,888.33 = 252,393,786.58 : x - Step 2: Convert to fraction form
461,237,618.74/636,507,888.33 = 252,393,786.58/x - Step 3: Cross multiply
461,237,618.74x = 636,507,888.33 × 252,393,786.58 - Step 4: Simplify right side
461,237,618.74x = 160,650,636,123,648,512 - Step 5: Solve for x
x = 160,650,636,123,648,512/461,237,618.74 - Step 6: Final answer
x = 348,303,411.51
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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.