Finding the Fourth Proportional to 586,283,668.58, 879,423,584.70 and 212,791,056.81
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Solution
The fourth proportional to 586,283,668.58, 879,423,584.70 and 212,791,056.81 is: 319,185,889.02
Step by Step Solution
- Step 1: Write the proportion equation
586,283,668.58 : 879,423,584.70 = 212,791,056.81 : x - Step 2: Convert to fraction form
586,283,668.58/879,423,584.70 = 212,791,056.81/x - Step 3: Cross multiply
586,283,668.58x = 879,423,584.70 × 212,791,056.81 - Step 4: Simplify right side
586,283,668.58x = 187,133,473,973,353,792 - Step 5: Solve for x
x = 187,133,473,973,353,792/586,283,668.58 - Step 6: Final answer
x = 319,185,889.02
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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.