Finding the Fourth Proportional to 927,296,029.80, 1,390,944,044.70 and 417,688,093.80
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Solution
The fourth proportional to 927,296,029.80, 1,390,944,044.70 and 417,688,093.80 is: 626,532,140.70
Step by Step Solution
- Step 1: Write the proportion equation
927,296,029.80 : 1,390,944,044.70 = 417,688,093.80 : x - Step 2: Convert to fraction form
927,296,029.80/1,390,944,044.70 = 417,688,093.80/x - Step 3: Cross multiply
927,296,029.80x = 1,390,944,044.70 × 417,688,093.80 - Step 4: Simplify right side
927,296,029.80x = 580,980,766,613,204,992 - Step 5: Solve for x
x = 580,980,766,613,204,992/927,296,029.80 - Step 6: Final answer
x = 626,532,140.70
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Similar ratio
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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.