Finding the Fourth Proportional to 319,506,950,377.05, 440,933,451,501.63 and 176,936,210,425.07
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Solution
The fourth proportional to 319,506,950,377.05, 440,933,451,501.63 and 176,936,210,425.07 is: 244,179,645,751.92
Step by Step Solution
- Step 1: Write the proportion equation
319,506,950,377.05 : 440,933,451,501.63 = 176,936,210,425.07 : x - Step 2: Convert to fraction form
319,506,950,377.05/440,933,451,501.63 = 176,936,210,425.07/x - Step 3: Cross multiply
319,506,950,377.05x = 440,933,451,501.63 × 176,936,210,425.07 - Step 4: Simplify right side
319,506,950,377.05x = 78,017,093,958,344,802,041,856 - Step 5: Solve for x
x = 78,017,093,958,344,802,041,856/319,506,950,377.05 - Step 6: Final answer
x = 244,179,645,751.92
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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.