Finding the Fourth Proportional to 418,850,305.96, 577,994,772.81 and 240,106,048.96
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Solution
The fourth proportional to 418,850,305.96, 577,994,772.81 and 240,106,048.96 is: 331,335,656.79
Step by Step Solution
- Step 1: Write the proportion equation
418,850,305.96 : 577,994,772.81 = 240,106,048.96 : x - Step 2: Convert to fraction form
418,850,305.96/577,994,772.81 = 240,106,048.96/x - Step 3: Cross multiply
418,850,305.96x = 577,994,772.81 × 240,106,048.96 - Step 4: Simplify right side
418,850,305.96x = 138,780,041,218,805,904 - Step 5: Solve for x
x = 138,780,041,218,805,904/418,850,305.96 - Step 6: Final answer
x = 331,335,656.79
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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.