Finding the Fourth Proportional to 361,154,239.28, 498,423,587.12 and 204,549,205.44
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Solution
The fourth proportional to 361,154,239.28, 498,423,587.12 and 204,549,205.44 is: 282,295,312.17
Step by Step Solution
- Step 1: Write the proportion equation
361,154,239.28 : 498,423,587.12 = 204,549,205.44 : x - Step 2: Convert to fraction form
361,154,239.28/498,423,587.12 = 204,549,205.44/x - Step 3: Cross multiply
361,154,239.28x = 498,423,587.12 × 204,549,205.44 - Step 4: Simplify right side
361,154,239.28x = 101,952,148,717,950,624 - Step 5: Solve for x
x = 101,952,148,717,950,624/361,154,239.28 - Step 6: Final answer
x = 282,295,312.17
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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.