Finding the Fourth Proportional to 463,925,050.68, 640,199,352.06 and 255,068,766.84
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Solution
The fourth proportional to 463,925,050.68, 640,199,352.06 and 255,068,766.84 is: 351,985,431.75
Step by Step Solution
- Step 1: Write the proportion equation
463,925,050.68 : 640,199,352.06 = 255,068,766.84 : x - Step 2: Convert to fraction form
463,925,050.68/640,199,352.06 = 255,068,766.84/x - Step 3: Cross multiply
463,925,050.68x = 640,199,352.06 × 255,068,766.84 - Step 4: Simplify right side
463,925,050.68x = 163,294,859,261,711,200 - Step 5: Solve for x
x = 163,294,859,261,711,200/463,925,050.68 - Step 6: Final answer
x = 351,985,431.75
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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.