Finding the Fourth Proportional to 324,787,011.84, 448,205,591.70 and 176,107,862.88
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Solution
The fourth proportional to 324,787,011.84, 448,205,591.70 and 176,107,862.88 is: 243,028,587.99
Step by Step Solution
- Step 1: Write the proportion equation
324,787,011.84 : 448,205,591.70 = 176,107,862.88 : x - Step 2: Convert to fraction form
324,787,011.84/448,205,591.70 = 176,107,862.88/x - Step 3: Cross multiply
324,787,011.84x = 448,205,591.70 × 176,107,862.88 - Step 4: Simplify right side
324,787,011.84x = 78,932,528,885,152,864 - Step 5: Solve for x
x = 78,932,528,885,152,864/324,787,011.84 - Step 6: Final answer
x = 243,028,587.99
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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.