Finding the Fourth Proportional to 1,264,299,432.92, 1,896,403,683.71 and 331,614,831.36
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Solution
The fourth proportional to 1,264,299,432.92, 1,896,403,683.71 and 331,614,831.36 is: 497,410,321.79
Step by Step Solution
- Step 1: Write the proportion equation
1,264,299,432.92 : 1,896,403,683.71 = 331,614,831.36 : x - Step 2: Convert to fraction form
1,264,299,432.92/1,896,403,683.71 = 331,614,831.36/x - Step 3: Cross multiply
1,264,299,432.92x = 1,896,403,683.71 × 331,614,831.36 - Step 4: Simplify right side
1,264,299,432.92x = 628,875,587,770,057,856 - Step 5: Solve for x
x = 628,875,587,770,057,856/1,264,299,432.92 - Step 6: Final answer
x = 497,410,321.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.