Finding the Fourth Proportional to 905,449,530.24, 1,358,172,600.18 and 283,712,359.08
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Solution
The fourth proportional to 905,449,530.24, 1,358,172,600.18 and 283,712,359.08 is: 425,568,007.45
Step by Step Solution
- Step 1: Write the proportion equation
905,449,530.24 : 1,358,172,600.18 = 283,712,359.08 : x - Step 2: Convert to fraction form
905,449,530.24/1,358,172,600.18 = 283,712,359.08/x - Step 3: Cross multiply
905,449,530.24x = 1,358,172,600.18 × 283,712,359.08 - Step 4: Simplify right side
905,449,530.24x = 385,330,352,434,885,440 - Step 5: Solve for x
x = 385,330,352,434,885,440/905,449,530.24 - Step 6: Final answer
x = 425,568,007.45
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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.