Finding the Fourth Proportional to 384,197,257.13, 530,192,385.99 and 207,985,246.79
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Solution
The fourth proportional to 384,197,257.13, 530,192,385.99 and 207,985,246.79 is: 287,019,733.22
Step by Step Solution
- Step 1: Write the proportion equation
384,197,257.13 : 530,192,385.99 = 207,985,246.79 : x - Step 2: Convert to fraction form
384,197,257.13/530,192,385.99 = 207,985,246.79/x - Step 3: Cross multiply
384,197,257.13x = 530,192,385.99 × 207,985,246.79 - Step 4: Simplify right side
384,197,257.13x = 110,272,194,243,658,128 - Step 5: Solve for x
x = 110,272,194,243,658,128/384,197,257.13 - Step 6: Final answer
x = 287,019,733.22
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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.