Finding the Fourth Proportional to 1,037,246,422.05, 1,555,872,268.41 and 423,830,647.80
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Solution
The fourth proportional to 1,037,246,422.05, 1,555,872,268.41 and 423,830,647.80 is: 635,747,048.53
Step by Step Solution
- Step 1: Write the proportion equation
1,037,246,422.05 : 1,555,872,268.41 = 423,830,647.80 : x - Step 2: Convert to fraction form
1,037,246,422.05/1,555,872,268.41 = 423,830,647.80/x - Step 3: Cross multiply
1,037,246,422.05x = 1,555,872,268.41 × 423,830,647.80 - Step 4: Simplify right side
1,037,246,422.05x = 659,426,351,414,265,856 - Step 5: Solve for x
x = 659,426,351,414,265,856/1,037,246,422.05 - Step 6: Final answer
x = 635,747,048.53
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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.