Finding the Fourth Proportional to 402,858,962,765.60, 555,994,118,812.93 and 229,286,303,912.48
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Solution
The fourth proportional to 402,858,962,765.60, 555,994,118,812.93 and 229,286,303,912.48 is: 316,442,845,467.65
Step by Step Solution
- Step 1: Write the proportion equation
402,858,962,765.60 : 555,994,118,812.93 = 229,286,303,912.48 : x - Step 2: Convert to fraction form
402,858,962,765.60/555,994,118,812.93 = 229,286,303,912.48/x - Step 3: Cross multiply
402,858,962,765.60x = 555,994,118,812.93 × 229,286,303,912.48 - Step 4: Simplify right side
402,858,962,765.60x = 127,481,836,499,692,995,739,648 - Step 5: Solve for x
x = 127,481,836,499,692,995,739,648/402,858,962,765.60 - Step 6: Final answer
x = 316,442,845,467.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.