Finding the Fourth Proportional to 315,514,318.66, 435,432,290.98 and 174,382,502.98
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Solution
The fourth proportional to 315,514,318.66, 435,432,290.98 and 174,382,502.98 is: 240,660,306.96
Step by Step Solution
- Step 1: Write the proportion equation
315,514,318.66 : 435,432,290.98 = 174,382,502.98 : x - Step 2: Convert to fraction form
315,514,318.66/435,432,290.98 = 174,382,502.98/x - Step 3: Cross multiply
315,514,318.66x = 435,432,290.98 × 174,382,502.98 - Step 4: Simplify right side
315,514,318.66x = 75,931,772,779,408,080 - Step 5: Solve for x
x = 75,931,772,779,408,080/315,514,318.66 - Step 6: Final answer
x = 240,660,306.96
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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.