Finding the Fourth Proportional to 655,807,119.06, 905,011,626.18 and 358,449,189.12
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Solution
The fourth proportional to 655,807,119.06, 905,011,626.18 and 358,449,189.12 is: 494,658,679.54
Step by Step Solution
- Step 1: Write the proportion equation
655,807,119.06 : 905,011,626.18 = 358,449,189.12 : x - Step 2: Convert to fraction form
655,807,119.06/905,011,626.18 = 358,449,189.12/x - Step 3: Cross multiply
655,807,119.06x = 905,011,626.18 × 358,449,189.12 - Step 4: Simplify right side
655,807,119.06x = 324,400,683,548,393,536 - Step 5: Solve for x
x = 324,400,683,548,393,536/655,807,119.06 - Step 6: Final answer
x = 494,658,679.54
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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.