Finding the Fourth Proportional to 1,337,474,683.37, 1,845,664,497.73 and 742,797,474.64
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Solution
The fourth proportional to 1,337,474,683.37, 1,845,664,497.73 and 742,797,474.64 is: 1,025,032,432.38
Step by Step Solution
- Step 1: Write the proportion equation
1,337,474,683.37 : 1,845,664,497.73 = 742,797,474.64 : x - Step 2: Convert to fraction form
1,337,474,683.37/1,845,664,497.73 = 742,797,474.64/x - Step 3: Cross multiply
1,337,474,683.37x = 1,845,664,497.73 × 742,797,474.64 - Step 4: Simplify right side
1,337,474,683.37x = 1,370,954,927,946,547,968 - Step 5: Solve for x
x = 1,370,954,927,946,547,968/1,337,474,683.37 - Step 6: Final answer
x = 1,025,032,432.38
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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.