Finding the Fourth Proportional to 659,311,472,759.05, 989,039,768,549.77 and 240,643,670,135.05
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Solution
The fourth proportional to 659,311,472,759.05, 989,039,768,549.77 and 240,643,670,135.05 is: 360,991,988,835.48
Step by Step Solution
- Step 1: Write the proportion equation
659,311,472,759.05 : 989,039,768,549.77 = 240,643,670,135.05 : x - Step 2: Convert to fraction form
659,311,472,759.05/989,039,768,549.77 = 240,643,670,135.05/x - Step 3: Cross multiply
659,311,472,759.05x = 989,039,768,549.77 × 240,643,670,135.05 - Step 4: Simplify right side
659,311,472,759.05x = 238,006,159,813,337,044,484,096 - Step 5: Solve for x
x = 238,006,159,813,337,044,484,096/659,311,472,759.05 - Step 6: Final answer
x = 360,991,988,835.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.