Finding the Fourth Proportional to 357,763,841.48, 493,711,131.24 and 201,131,645.06
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Solution
The fourth proportional to 357,763,841.48, 493,711,131.24 and 201,131,645.06 is: 277,560,000.47
Step by Step Solution
- Step 1: Write the proportion equation
357,763,841.48 : 493,711,131.24 = 201,131,645.06 : x - Step 2: Convert to fraction form
357,763,841.48/493,711,131.24 = 201,131,645.06/x - Step 3: Cross multiply
357,763,841.48x = 493,711,131.24 × 201,131,645.06 - Step 4: Simplify right side
357,763,841.48x = 99,300,932,010,734,768 - Step 5: Solve for x
x = 99,300,932,010,734,768/357,763,841.48 - Step 6: Final answer
x = 277,560,000.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.