Finding the Fourth Proportional to 476,990,679.68, 715,486,269.06 and 149,491,699.67
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Solution
The fourth proportional to 476,990,679.68, 715,486,269.06 and 149,491,699.67 is: 224,237,627.71
Step by Step Solution
- Step 1: Write the proportion equation
476,990,679.68 : 715,486,269.06 = 149,491,699.67 : x - Step 2: Convert to fraction form
476,990,679.68/715,486,269.06 = 149,491,699.67/x - Step 3: Cross multiply
476,990,679.68x = 715,486,269.06 × 149,491,699.67 - Step 4: Simplify right side
476,990,679.68x = 106,959,258,448,748,880 - Step 5: Solve for x
x = 106,959,258,448,748,880/476,990,679.68 - Step 6: Final answer
x = 224,237,627.71
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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.