Finding the Fourth Proportional to 441,531,964.42, 609,286,656.76 and 243,282,364.94
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Solution
The fourth proportional to 441,531,964.42, 609,286,656.76 and 243,282,364.94 is: 335,714,536.50
Step by Step Solution
- Step 1: Write the proportion equation
441,531,964.42 : 609,286,656.76 = 243,282,364.94 : x - Step 2: Convert to fraction form
441,531,964.42/609,286,656.76 = 243,282,364.94/x - Step 3: Cross multiply
441,531,964.42x = 609,286,656.76 × 243,282,364.94 - Step 4: Simplify right side
441,531,964.42x = 148,228,698,783,873,856 - Step 5: Solve for x
x = 148,228,698,783,873,856/441,531,964.42 - Step 6: Final answer
x = 335,714,536.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.