Finding the Fourth Proportional to 651,672,923.70, 978,643,126.35 and 345,562,907.70
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Solution
The fourth proportional to 651,672,923.70, 978,643,126.35 and 345,562,907.70 is: 518,945,550.82
Step by Step Solution
- Step 1: Write the proportion equation
651,672,923.70 : 978,643,126.35 = 345,562,907.70 : x - Step 2: Convert to fraction form
651,672,923.70/978,643,126.35 = 345,562,907.70/x - Step 3: Cross multiply
651,672,923.70x = 978,643,126.35 × 345,562,907.70 - Step 4: Simplify right side
651,672,923.70x = 338,182,764,342,124,480 - Step 5: Solve for x
x = 338,182,764,342,124,480/651,672,923.70 - Step 6: Final answer
x = 518,945,550.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.