Finding the Fourth Proportional to 375,280,742,424.56, 517,883,745,291.10 and 203,992,482,640.28
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Solution
The fourth proportional to 375,280,742,424.56, 517,883,745,291.10 and 203,992,482,640.28 is: 281,507,626,099.99
Step by Step Solution
- Step 1: Write the proportion equation
375,280,742,424.56 : 517,883,745,291.10 = 203,992,482,640.28 : x - Step 2: Convert to fraction form
375,280,742,424.56/517,883,745,291.10 = 203,992,482,640.28/x - Step 3: Cross multiply
375,280,742,424.56x = 517,883,745,291.10 × 203,992,482,640.28 - Step 4: Simplify right side
375,280,742,424.56x = 105,644,390,920,977,897,226,240 - Step 5: Solve for x
x = 105,644,390,920,977,897,226,240/375,280,742,424.56 - Step 6: Final answer
x = 281,507,626,099.99
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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.