Finding the Fourth Proportional to 1,412,089,417.08, 1,948,624,878.80 and 768,348,009
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Solution
The fourth proportional to 1,412,089,417.08, 1,948,624,878.80 and 768,348,009 is: 1,060,288,412.20
Step by Step Solution
- Step 1: Write the proportion equation
1,412,089,417.08 : 1,948,624,878.80 = 768,348,009 : x - Step 2: Convert to fraction form
1,412,089,417.08/1,948,624,878.80 = 768,348,009/x - Step 3: Cross multiply
1,412,089,417.08x = 1,948,624,878.80 × 768,348,009 - Step 4: Simplify right side
1,412,089,417.08x = 1,497,222,045,913,846,272 - Step 5: Solve for x
x = 1,497,222,045,913,846,272/1,412,089,417.08 - Step 6: Final answer
x = 1,060,288,412.20
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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.