Finding the Fourth Proportional to 660,563,788.74, 991,232,057.32 and 246,326,786.88
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Solution
The fourth proportional to 660,563,788.74, 991,232,057.32 and 246,326,786.88 is: 369,634,260.76
Step by Step Solution
- Step 1: Write the proportion equation
660,563,788.74 : 991,232,057.32 = 246,326,786.88 : x - Step 2: Convert to fraction form
660,563,788.74/991,232,057.32 = 246,326,786.88/x - Step 3: Cross multiply
660,563,788.74x = 991,232,057.32 × 246,326,786.88 - Step 4: Simplify right side
660,563,788.74x = 244,167,007,734,727,040 - Step 5: Solve for x
x = 244,167,007,734,727,040/660,563,788.74 - Step 6: Final answer
x = 369,634,260.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.