Finding the Fourth Proportional to 331,609,076.20, 497,408,948.70 and 149,855,962.60
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Solution
The fourth proportional to 331,609,076.20, 497,408,948.70 and 149,855,962.60 is: 224,781,835.49
Step by Step Solution
- Step 1: Write the proportion equation
331,609,076.20 : 497,408,948.70 = 149,855,962.60 : x - Step 2: Convert to fraction form
331,609,076.20/497,408,948.70 = 149,855,962.60/x - Step 3: Cross multiply
331,609,076.20x = 497,408,948.70 × 149,855,962.60 - Step 4: Simplify right side
331,609,076.20x = 74,539,696,813,292,512 - Step 5: Solve for x
x = 74,539,696,813,292,512/331,609,076.20 - Step 6: Final answer
x = 224,781,835.49
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.