Finding the Fourth Proportional to 773,429,187.99, 1,067,358,060.45 and 434,397,408.87
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Solution
The fourth proportional to 773,429,187.99, 1,067,358,060.45 and 434,397,408.87 is: 599,482,904.18
Step by Step Solution
- Step 1: Write the proportion equation
773,429,187.99 : 1,067,358,060.45 = 434,397,408.87 : x - Step 2: Convert to fraction form
773,429,187.99/1,067,358,060.45 = 434,397,408.87/x - Step 3: Cross multiply
773,429,187.99x = 1,067,358,060.45 × 434,397,408.87 - Step 4: Simplify right side
773,429,187.99x = 463,657,575,795,988,864 - Step 5: Solve for x
x = 463,657,575,795,988,864/773,429,187.99 - Step 6: Final answer
x = 599,482,904.18
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.