Finding the Fourth Proportional to 293,511,418.36, 440,387,811.22 and 129,662,700.28
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Solution
The fourth proportional to 293,511,418.36, 440,387,811.22 and 129,662,700.28 is: 194,547,364.09
Step by Step Solution
- Step 1: Write the proportion equation
293,511,418.36 : 440,387,811.22 = 129,662,700.28 : x - Step 2: Convert to fraction form
293,511,418.36/440,387,811.22 = 129,662,700.28/x - Step 3: Cross multiply
293,511,418.36x = 440,387,811.22 × 129,662,700.28 - Step 4: Simplify right side
293,511,418.36x = 57,101,872,773,184,088 - Step 5: Solve for x
x = 57,101,872,773,184,088/293,511,418.36 - Step 6: Final answer
x = 194,547,364.09
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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.