Finding the Fourth Proportional to 641,031,962.81, 956,158,385.29 and 582,183,507.98
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Solution
The fourth proportional to 641,031,962.81, 956,158,385.29 and 582,183,507.98 is: 868,380,479.03
Step by Step Solution
- Step 1: Write the proportion equation
641,031,962.81 : 956,158,385.29 = 582,183,507.98 : x - Step 2: Convert to fraction form
641,031,962.81/956,158,385.29 = 582,183,507.98/x - Step 3: Cross multiply
641,031,962.81x = 956,158,385.29 × 582,183,507.98 - Step 4: Simplify right side
641,031,962.81x = 556,659,642,933,559,552 - Step 5: Solve for x
x = 556,659,642,933,559,552/641,031,962.81 - Step 6: Final answer
x = 868,380,479.03
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.