Finding the Fourth Proportional to 903,448,704.16, 1,246,056,326.40 and 653,490,745.84
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Solution
The fourth proportional to 903,448,704.16, 1,246,056,326.40 and 653,490,745.84 is: 901,308,811.83
Step by Step Solution
- Step 1: Write the proportion equation
903,448,704.16 : 1,246,056,326.40 = 653,490,745.84 : x - Step 2: Convert to fraction form
903,448,704.16/1,246,056,326.40 = 653,490,745.84/x - Step 3: Cross multiply
903,448,704.16x = 1,246,056,326.40 × 653,490,745.84 - Step 4: Simplify right side
903,448,704.16x = 814,286,278,097,786,624 - Step 5: Solve for x
x = 814,286,278,097,786,624/903,448,704.16 - Step 6: Final answer
x = 901,308,811.83
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.