Finding the Fourth Proportional to 277,873,579.96, 416,937,654.35 and 120,354,772.79
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Solution
The fourth proportional to 277,873,579.96, 416,937,654.35 and 120,354,772.79 is: 180,587,289.61
Step by Step Solution
- Step 1: Write the proportion equation
277,873,579.96 : 416,937,654.35 = 120,354,772.79 : x - Step 2: Convert to fraction form
277,873,579.96/416,937,654.35 = 120,354,772.79/x - Step 3: Cross multiply
277,873,579.96x = 416,937,654.35 × 120,354,772.79 - Step 4: Simplify right side
277,873,579.96x = 50,180,436,657,781,704 - Step 5: Solve for x
x = 50,180,436,657,781,704/277,873,579.96 - Step 6: Final answer
x = 180,587,289.61
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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.