Finding the Fourth Proportional to 407,320,368.80, 610,980,553.20 and 148,544,031.20
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Solution
The fourth proportional to 407,320,368.80, 610,980,553.20 and 148,544,031.20 is: 222,816,046.80
Step by Step Solution
- Step 1: Write the proportion equation
407,320,368.80 : 610,980,553.20 = 148,544,031.20 : x - Step 2: Convert to fraction form
407,320,368.80/610,980,553.20 = 148,544,031.20/x - Step 3: Cross multiply
407,320,368.80x = 610,980,553.20 × 148,544,031.20 - Step 4: Simplify right side
407,320,368.80x = 90,757,514,357,134,064 - Step 5: Solve for x
x = 90,757,514,357,134,064/407,320,368.80 - Step 6: Final answer
x = 222,816,046.80
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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.