Finding the Fourth Proportional to 2,037,261,460.98, 3,055,888,377.20 and 638,352,825.75
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Solution
The fourth proportional to 2,037,261,460.98, 3,055,888,377.20 and 638,352,825.75 is: 957,528,043.47
Step by Step Solution
- Step 1: Write the proportion equation
2,037,261,460.98 : 3,055,888,377.20 = 638,352,825.75 : x - Step 2: Convert to fraction form
2,037,261,460.98/3,055,888,377.20 = 638,352,825.75/x - Step 3: Cross multiply
2,037,261,460.98x = 3,055,888,377.20 × 638,352,825.75 - Step 4: Simplify right side
2,037,261,460.98x = 1,950,734,980,762,201,856 - Step 5: Solve for x
x = 1,950,734,980,762,201,856/2,037,261,460.98 - Step 6: Final answer
x = 957,528,043.47
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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.