Finding the Fourth Proportional to 374,577,258.12, 516,917,722.14 and 207,325,135.97
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Solution
The fourth proportional to 374,577,258.12, 516,917,722.14 and 207,325,135.97 is: 286,109,299.76
Step by Step Solution
- Step 1: Write the proportion equation
374,577,258.12 : 516,917,722.14 = 207,325,135.97 : x - Step 2: Convert to fraction form
374,577,258.12/516,917,722.14 = 207,325,135.97/x - Step 3: Cross multiply
374,577,258.12x = 516,917,722.14 × 207,325,135.97 - Step 4: Simplify right side
374,577,258.12x = 107,170,037,025,393,584 - Step 5: Solve for x
x = 107,170,037,025,393,584/374,577,258.12 - Step 6: Final answer
x = 286,109,299.76
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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.