Finding the Fourth Proportional to 419,762,319.36, 628,352,073.60 and 273,881,763.84
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Solution
The fourth proportional to 419,762,319.36, 628,352,073.60 and 273,881,763.84 is: 409,980,044.17
Step by Step Solution
- Step 1: Write the proportion equation
419,762,319.36 : 628,352,073.60 = 273,881,763.84 : x - Step 2: Convert to fraction form
419,762,319.36/628,352,073.60 = 273,881,763.84/x - Step 3: Cross multiply
419,762,319.36x = 628,352,073.60 × 273,881,763.84 - Step 4: Simplify right side
419,762,319.36x = 172,094,174,230,089,504 - Step 5: Solve for x
x = 172,094,174,230,089,504/419,762,319.36 - Step 6: Final answer
x = 409,980,044.17
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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.