Finding the Fourth Proportional to 517,742,624.67, 776,616,840.24 and 172,695,304.41
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Solution
The fourth proportional to 517,742,624.67, 776,616,840.24 and 172,695,304.41 is: 259,043,925.00
Step by Step Solution
- Step 1: Write the proportion equation
517,742,624.67 : 776,616,840.24 = 172,695,304.41 : x - Step 2: Convert to fraction form
517,742,624.67/776,616,840.24 = 172,695,304.41/x - Step 3: Cross multiply
517,742,624.67x = 776,616,840.24 × 172,695,304.41 - Step 4: Simplify right side
517,742,624.67x = 134,118,081,635,179,136 - Step 5: Solve for x
x = 134,118,081,635,179,136/517,742,624.67 - Step 6: Final answer
x = 259,043,925.00
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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.