Finding the Fourth Proportional to 608,967,028.64, 840,382,561.68 and 330,511,890.08
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Solution
The fourth proportional to 608,967,028.64, 840,382,561.68 and 330,511,890.08 is: 456,110,783.98
Step by Step Solution
- Step 1: Write the proportion equation
608,967,028.64 : 840,382,561.68 = 330,511,890.08 : x - Step 2: Convert to fraction form
608,967,028.64/840,382,561.68 = 330,511,890.08/x - Step 3: Cross multiply
608,967,028.64x = 840,382,561.68 × 330,511,890.08 - Step 4: Simplify right side
608,967,028.64x = 277,756,428,851,128,960 - Step 5: Solve for x
x = 277,756,428,851,128,960/608,967,028.64 - Step 6: Final answer
x = 456,110,783.98
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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.