Finding the Fourth Proportional to 266,170,420.84, 398,898,747.79 and 207,154,063.30
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Solution
The fourth proportional to 266,170,420.84, 398,898,747.79 and 207,154,063.30 is: 310,453,341.09
Step by Step Solution
- Step 1: Write the proportion equation
266,170,420.84 : 398,898,747.79 = 207,154,063.30 : x - Step 2: Convert to fraction form
266,170,420.84/398,898,747.79 = 207,154,063.30/x - Step 3: Cross multiply
266,170,420.84x = 398,898,747.79 × 207,154,063.30 - Step 4: Simplify right side
266,170,420.84x = 82,633,496,446,950,128 - Step 5: Solve for x
x = 82,633,496,446,950,128/266,170,420.84 - Step 6: Final answer
x = 310,453,341.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.