Finding the Fourth Proportional to 896,288,035.60, 1,344,432,053.40 and 620,789,021.20
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Solution
The fourth proportional to 896,288,035.60, 1,344,432,053.40 and 620,789,021.20 is: 931,183,531.80
Step by Step Solution
- Step 1: Write the proportion equation
896,288,035.60 : 1,344,432,053.40 = 620,789,021.20 : x - Step 2: Convert to fraction form
896,288,035.60/1,344,432,053.40 = 620,789,021.20/x - Step 3: Cross multiply
896,288,035.60x = 1,344,432,053.40 × 620,789,021.20 - Step 4: Simplify right side
896,288,035.60x = 834,608,658,500,092,288 - Step 5: Solve for x
x = 834,608,658,500,092,288/896,288,035.60 - Step 6: Final answer
x = 931,183,531.80
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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.