Finding the Fourth Proportional to 488,394,946.20, 732,592,419.30 and 294,684,701.70
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Solution
The fourth proportional to 488,394,946.20, 732,592,419.30 and 294,684,701.70 is: 442,027,052.55
Step by Step Solution
- Step 1: Write the proportion equation
488,394,946.20 : 732,592,419.30 = 294,684,701.70 : x - Step 2: Convert to fraction form
488,394,946.20/732,592,419.30 = 294,684,701.70/x - Step 3: Cross multiply
488,394,946.20x = 732,592,419.30 × 294,684,701.70 - Step 4: Simplify right side
488,394,946.20x = 215,883,778,549,101,792 - Step 5: Solve for x
x = 215,883,778,549,101,792/488,394,946.20 - Step 6: Final answer
x = 442,027,052.55
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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.