Finding the Fourth Proportional to 319,686,782.36, 441,167,755.80 and 173,009,066.36
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Solution
The fourth proportional to 319,686,782.36, 441,167,755.80 and 173,009,066.36 is: 238,752,509.49
Step by Step Solution
- Step 1: Write the proportion equation
319,686,782.36 : 441,167,755.80 = 173,009,066.36 : x - Step 2: Convert to fraction form
319,686,782.36/441,167,755.80 = 173,009,066.36/x - Step 3: Cross multiply
319,686,782.36x = 441,167,755.80 × 173,009,066.36 - Step 4: Simplify right side
319,686,782.36x = 76,326,021,536,566,832 - Step 5: Solve for x
x = 76,326,021,536,566,832/319,686,782.36 - Step 6: Final answer
x = 238,752,509.49
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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.