Finding the Fourth Proportional to 331,855,215.60, 497,357,670.60 and 295,292,074.80
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Solution
The fourth proportional to 331,855,215.60, 497,357,670.60 and 295,292,074.80 is: 442,559,801.88
Step by Step Solution
- Step 1: Write the proportion equation
331,855,215.60 : 497,357,670.60 = 295,292,074.80 : x - Step 2: Convert to fraction form
331,855,215.60/497,357,670.60 = 295,292,074.80/x - Step 3: Cross multiply
331,855,215.60x = 497,357,670.60 × 295,292,074.80 - Step 4: Simplify right side
331,855,215.60x = 146,865,778,469,168,960 - Step 5: Solve for x
x = 146,865,778,469,168,960/331,855,215.60 - Step 6: Final answer
x = 442,559,801.88
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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.