Finding the Fourth Proportional to 469,902,848.22, 648,427,968.99 and 271,677,119.40
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Solution
The fourth proportional to 469,902,848.22, 648,427,968.99 and 271,677,119.40 is: 374,892,477.07
Step by Step Solution
- Step 1: Write the proportion equation
469,902,848.22 : 648,427,968.99 = 271,677,119.40 : x - Step 2: Convert to fraction form
469,902,848.22/648,427,968.99 = 271,677,119.40/x - Step 3: Cross multiply
469,902,848.22x = 648,427,968.99 × 271,677,119.40 - Step 4: Simplify right side
469,902,848.22x = 176,163,042,753,595,712 - Step 5: Solve for x
x = 176,163,042,753,595,712/469,902,848.22 - Step 6: Final answer
x = 374,892,477.07
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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.