Finding the Fourth Proportional to 551,831,430.21, 827,750,134.21 and 163,657,623.79
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Solution
The fourth proportional to 551,831,430.21, 827,750,134.21 and 163,657,623.79 is: 245,487,322.11
Step by Step Solution
- Step 1: Write the proportion equation
551,831,430.21 : 827,750,134.21 = 163,657,623.79 : x - Step 2: Convert to fraction form
551,831,430.21/827,750,134.21 = 163,657,623.79/x - Step 3: Cross multiply
551,831,430.21x = 827,750,134.21 × 163,657,623.79 - Step 4: Simplify right side
551,831,430.21x = 135,467,620,056,662,192 - Step 5: Solve for x
x = 135,467,620,056,662,192/551,831,430.21 - Step 6: Final answer
x = 245,487,322.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.