Finding the Fourth Proportional to 402,181,398.05, 555,056,827.63 and 234,959,460.58
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Solution
The fourth proportional to 402,181,398.05, 555,056,827.63 and 234,959,460.58 is: 324,271,220.51
Step by Step Solution
- Step 1: Write the proportion equation
402,181,398.05 : 555,056,827.63 = 234,959,460.58 : x - Step 2: Convert to fraction form
402,181,398.05/555,056,827.63 = 234,959,460.58/x - Step 3: Cross multiply
402,181,398.05x = 555,056,827.63 × 234,959,460.58 - Step 4: Simplify right side
402,181,398.05x = 130,415,852,811,297,280 - Step 5: Solve for x
x = 130,415,852,811,297,280/402,181,398.05 - Step 6: Final answer
x = 324,271,220.51
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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.