Finding the Fourth Proportional to 402,750,090.40, 604,125,135.60 and 338,126,864.80
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Solution
The fourth proportional to 402,750,090.40, 604,125,135.60 and 338,126,864.80 is: 507,190,297.20
Step by Step Solution
- Step 1: Write the proportion equation
402,750,090.40 : 604,125,135.60 = 338,126,864.80 : x - Step 2: Convert to fraction form
402,750,090.40/604,125,135.60 = 338,126,864.80/x - Step 3: Cross multiply
402,750,090.40x = 604,125,135.60 × 338,126,864.80 - Step 4: Simplify right side
402,750,090.40x = 204,270,938,047,302,880 - Step 5: Solve for x
x = 204,270,938,047,302,880/402,750,090.40 - Step 6: Final answer
x = 507,190,297.20
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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.