Finding the Fourth Proportional to 7,424,127,743.31, 10,245,490,460 and 4,037,235,119.36
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Solution
The fourth proportional to 7,424,127,743.31, 10,245,490,460 and 4,037,235,119.36 is: 5,571,490,056.52
Step by Step Solution
- Step 1: Write the proportion equation
7,424,127,743.31 : 10,245,490,460 = 4,037,235,119.36 : x - Step 2: Convert to fraction form
7,424,127,743.31/10,245,490,460 = 4,037,235,119.36/x - Step 3: Cross multiply
7,424,127,743.31x = 10,245,490,460 × 4,037,235,119.36 - Step 4: Simplify right side
7,424,127,743.31x = 41,363,453,900,179,841,024 - Step 5: Solve for x
x = 41,363,453,900,179,841,024/7,424,127,743.31 - Step 6: Final answer
x = 5,571,490,056.52
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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.