Finding the Fourth Proportional to 711,921,842.80, 1,067,882,764.20 and 302,875,212.40
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Solution
The fourth proportional to 711,921,842.80, 1,067,882,764.20 and 302,875,212.40 is: 454,312,818.60
Step by Step Solution
- Step 1: Write the proportion equation
711,921,842.80 : 1,067,882,764.20 = 302,875,212.40 : x - Step 2: Convert to fraction form
711,921,842.80/1,067,882,764.20 = 302,875,212.40/x - Step 3: Cross multiply
711,921,842.80x = 1,067,882,764.20 × 302,875,212.40 - Step 4: Simplify right side
711,921,842.80x = 323,435,219,025,374,080 - Step 5: Solve for x
x = 323,435,219,025,374,080/711,921,842.80 - Step 6: Final answer
x = 454,312,818.60
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1.5x scale
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.