Finding the Fourth Proportional to 508,635,146.93, 761,931,180.59 and 231,905,698.99
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Solution
The fourth proportional to 508,635,146.93, 761,931,180.59 and 231,905,698.99 is: 347,392,790.46
Step by Step Solution
- Step 1: Write the proportion equation
508,635,146.93 : 761,931,180.59 = 231,905,698.99 : x - Step 2: Convert to fraction form
508,635,146.93/761,931,180.59 = 231,905,698.99/x - Step 3: Cross multiply
508,635,146.93x = 761,931,180.59 × 231,905,698.99 - Step 4: Simplify right side
508,635,146.93x = 176,696,183,013,935,520 - Step 5: Solve for x
x = 176,696,183,013,935,520/508,635,146.93 - Step 6: Final answer
x = 347,392,790.46
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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.