Finding the Fourth Proportional to 444,090,831.12, 612,909,450.74 and 255,883,078.80
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Solution
The fourth proportional to 444,090,831.12, 612,909,450.74 and 255,883,078.80 is: 353,155,585.05
Step by Step Solution
- Step 1: Write the proportion equation
444,090,831.12 : 612,909,450.74 = 255,883,078.80 : x - Step 2: Convert to fraction form
444,090,831.12/612,909,450.74 = 255,883,078.80/x - Step 3: Cross multiply
444,090,831.12x = 612,909,450.74 × 255,883,078.80 - Step 4: Simplify right side
444,090,831.12x = 156,833,157,280,968,160 - Step 5: Solve for x
x = 156,833,157,280,968,160/444,090,831.12 - Step 6: Final answer
x = 353,155,585.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.