Finding the Fourth Proportional to 435,564,863.20, 601,121,869.68 and 325,365,257.44
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Solution
The fourth proportional to 435,564,863.20, 601,121,869.68 and 325,365,257.44 is: 449,035,696.87
Step by Step Solution
- Step 1: Write the proportion equation
435,564,863.20 : 601,121,869.68 = 325,365,257.44 : x - Step 2: Convert to fraction form
435,564,863.20/601,121,869.68 = 325,365,257.44/x - Step 3: Cross multiply
435,564,863.20x = 601,121,869.68 × 325,365,257.44 - Step 4: Simplify right side
435,564,863.20x = 195,584,171,881,247,296 - Step 5: Solve for x
x = 195,584,171,881,247,296/435,564,863.20 - Step 6: Final answer
x = 449,035,696.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.