Finding the Fourth Proportional to 7,424,127,747.62, 10,245,490,465.94 and 4,037,235,123.66
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Solution
The fourth proportional to 7,424,127,747.62, 10,245,490,465.94 and 4,037,235,123.66 is: 5,571,490,062.45
Step by Step Solution
- Step 1: Write the proportion equation
7,424,127,747.62 : 10,245,490,465.94 = 4,037,235,123.66 : x - Step 2: Convert to fraction form
7,424,127,747.62/10,245,490,465.94 = 4,037,235,123.66/x - Step 3: Cross multiply
7,424,127,747.62x = 10,245,490,465.94 × 4,037,235,123.66 - Step 4: Simplify right side
7,424,127,747.62x = 41,363,453,968,216,629,248 - Step 5: Solve for x
x = 41,363,453,968,216,629,248/7,424,127,747.62 - Step 6: Final answer
x = 5,571,490,062.45
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1.5x scale
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.