Finding the Fourth Proportional to 659,766,246.66, 910,424,323.53 and 381,325,804.74
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Solution
The fourth proportional to 659,766,246.66, 910,424,323.53 and 381,325,804.74 is: 526,198,922.09
Step by Step Solution
- Step 1: Write the proportion equation
659,766,246.66 : 910,424,323.53 = 381,325,804.74 : x - Step 2: Convert to fraction form
659,766,246.66/910,424,323.53 = 381,325,804.74/x - Step 3: Cross multiply
659,766,246.66x = 910,424,323.53 × 381,325,804.74 - Step 4: Simplify right side
659,766,246.66x = 347,168,287,824,947,392 - Step 5: Solve for x
x = 347,168,287,824,947,392/659,766,246.66 - Step 6: Final answer
x = 526,198,922.09
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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.