Finding the Fourth Proportional to 416,577,176.90, 624,865,765.35 and 349,056,613.70
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Solution
The fourth proportional to 416,577,176.90, 624,865,765.35 and 349,056,613.70 is: 523,584,920.55
Step by Step Solution
- Step 1: Write the proportion equation
416,577,176.90 : 624,865,765.35 = 349,056,613.70 : x - Step 2: Convert to fraction form
416,577,176.90/624,865,765.35 = 349,056,613.70/x - Step 3: Cross multiply
416,577,176.90x = 624,865,765.35 × 349,056,613.70 - Step 4: Simplify right side
416,577,176.90x = 218,113,528,070,129,792 - Step 5: Solve for x
x = 218,113,528,070,129,792/416,577,176.90 - Step 6: Final answer
x = 523,584,920.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.