Finding the Fourth Proportional to 374,980,599.37, 517,477,366.11 and 207,719,422.57
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Solution
The fourth proportional to 374,980,599.37, 517,477,366.11 and 207,719,422.57 is: 286,655,095.92
Step by Step Solution
- Step 1: Write the proportion equation
374,980,599.37 : 517,477,366.11 = 207,719,422.57 : x - Step 2: Convert to fraction form
374,980,599.37/517,477,366.11 = 207,719,422.57/x - Step 3: Cross multiply
374,980,599.37x = 517,477,366.11 × 207,719,422.57 - Step 4: Simplify right side
374,980,599.37x = 107,490,099,680,375,088 - Step 5: Solve for x
x = 107,490,099,680,375,088/374,980,599.37 - Step 6: Final answer
x = 286,655,095.92
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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.