Finding the Fourth Proportional to 319,506,950,389.84, 440,933,451,519.20 and 176,936,210,437.85
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Solution
The fourth proportional to 319,506,950,389.84, 440,933,451,519.20 and 176,936,210,437.85 is: 244,179,645,769.51
Step by Step Solution
- Step 1: Write the proportion equation
319,506,950,389.84 : 440,933,451,519.20 = 176,936,210,437.85 : x - Step 2: Convert to fraction form
319,506,950,389.84/440,933,451,519.20 = 176,936,210,437.85/x - Step 3: Cross multiply
319,506,950,389.84x = 440,933,451,519.20 × 176,936,210,437.85 - Step 4: Simplify right side
319,506,950,389.84x = 78,017,093,967,088,701,145,088 - Step 5: Solve for x
x = 78,017,093,967,088,701,145,088/319,506,950,389.84 - Step 6: Final answer
x = 244,179,645,769.51
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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.