Finding the Fourth Proportional to 4,254,944,128.48, 6,377,338,386.78 and 1,980,356,753.98
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Solution
The fourth proportional to 4,254,944,128.48, 6,377,338,386.78 and 1,980,356,753.98 is: 2,968,171,793.88
Step by Step Solution
- Step 1: Write the proportion equation
4,254,944,128.48 : 6,377,338,386.78 = 1,980,356,753.98 : x - Step 2: Convert to fraction form
4,254,944,128.48/6,377,338,386.78 = 1,980,356,753.98/x - Step 3: Cross multiply
4,254,944,128.48x = 6,377,338,386.78 × 1,980,356,753.98 - Step 4: Simplify right side
4,254,944,128.48x = 12,629,405,146,675,689,472 - Step 5: Solve for x
x = 12,629,405,146,675,689,472/4,254,944,128.48 - Step 6: Final answer
x = 2,968,171,793.88
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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.