Finding the Fourth Proportional to 476,600,493.80, 714,900,740.70 and 295,201,965.80
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Solution
The fourth proportional to 476,600,493.80, 714,900,740.70 and 295,201,965.80 is: 442,802,948.70
Step by Step Solution
- Step 1: Write the proportion equation
476,600,493.80 : 714,900,740.70 = 295,201,965.80 : x - Step 2: Convert to fraction form
476,600,493.80/714,900,740.70 = 295,201,965.80/x - Step 3: Cross multiply
476,600,493.80x = 714,900,740.70 × 295,201,965.80 - Step 4: Simplify right side
476,600,493.80x = 211,040,104,006,516,096 - Step 5: Solve for x
x = 211,040,104,006,516,096/476,600,493.80 - Step 6: Final answer
x = 442,802,948.70
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1.5x scale
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.