Finding the Fourth Proportional to 270,751,712.82, 373,660,486.47 and 153,297,740.58
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Solution
The fourth proportional to 270,751,712.82, 373,660,486.47 and 153,297,740.58 is: 211,563,973.96
Step by Step Solution
- Step 1: Write the proportion equation
270,751,712.82 : 373,660,486.47 = 153,297,740.58 : x - Step 2: Convert to fraction form
270,751,712.82/373,660,486.47 = 153,297,740.58/x - Step 3: Cross multiply
270,751,712.82x = 373,660,486.47 × 153,297,740.58 - Step 4: Simplify right side
270,751,712.82x = 57,281,308,319,874,672 - Step 5: Solve for x
x = 57,281,308,319,874,672/270,751,712.82 - Step 6: Final answer
x = 211,563,973.96
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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.