Finding the Fourth Proportional to 374,615,464,549.56, 516,955,965,192.36 and 212,031,619,734.28
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Solution
The fourth proportional to 374,615,464,549.56, 516,955,965,192.36 and 212,031,619,734.28 is: 292,596,064,507.99
Step by Step Solution
- Step 1: Write the proportion equation
374,615,464,549.56 : 516,955,965,192.36 = 212,031,619,734.28 : x - Step 2: Convert to fraction form
374,615,464,549.56/516,955,965,192.36 = 212,031,619,734.28/x - Step 3: Cross multiply
374,615,464,549.56x = 516,955,965,192.36 × 212,031,619,734.28 - Step 4: Simplify right side
374,615,464,549.56x = 109,611,010,631,034,151,632,896 - Step 5: Solve for x
x = 109,611,010,631,034,151,632,896/374,615,464,549.56 - Step 6: Final answer
x = 292,596,064,507.99
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1.5x scale
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.