Finding the Fourth Proportional to 633,784,924.84, 873,612,624.04 and 499,604,023.19
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Solution
The fourth proportional to 633,784,924.84, 873,612,624.04 and 499,604,023.19 is: 688,656,931.67
Step by Step Solution
- Step 1: Write the proportion equation
633,784,924.84 : 873,612,624.04 = 499,604,023.19 : x - Step 2: Convert to fraction form
633,784,924.84/873,612,624.04 = 499,604,023.19/x - Step 3: Cross multiply
633,784,924.84x = 873,612,624.04 × 499,604,023.19 - Step 4: Simplify right side
633,784,924.84x = 436,460,381,677,458,880 - Step 5: Solve for x
x = 436,460,381,677,458,880/633,784,924.84 - Step 6: Final answer
x = 688,656,931.67
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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.