Finding the Fourth Proportional to 4,252,172,860.70, 6,378,259,291.05 and 4,252,172,860.70
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Solution
The fourth proportional to 4,252,172,860.70, 6,378,259,291.05 and 4,252,172,860.70 is: 6,378,259,291.05
Step by Step Solution
- Step 1: Write the proportion equation
4,252,172,860.70 : 6,378,259,291.05 = 4,252,172,860.70 : x - Step 2: Convert to fraction form
4,252,172,860.70/6,378,259,291.05 = 4,252,172,860.70/x - Step 3: Cross multiply
4,252,172,860.70x = 6,378,259,291.05 × 4,252,172,860.70 - Step 4: Simplify right side
4,252,172,860.70x = 27,121,461,055,910,432,768 - Step 5: Solve for x
x = 27,121,461,055,910,432,768/4,252,172,860.70 - Step 6: Final answer
x = 6,378,259,291.05
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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.