Finding the Fourth Proportional to 403,180,938.21, 605,006,127.11 and 169,997,027.70
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Solution
The fourth proportional to 403,180,938.21, 605,006,127.11 and 169,997,027.70 is: 255,094,508.70
Step by Step Solution
- Step 1: Write the proportion equation
403,180,938.21 : 605,006,127.11 = 169,997,027.70 : x - Step 2: Convert to fraction form
403,180,938.21/605,006,127.11 = 169,997,027.70/x - Step 3: Cross multiply
403,180,938.21x = 605,006,127.11 × 169,997,027.70 - Step 4: Simplify right side
403,180,938.21x = 102,849,243,348,988,384 - Step 5: Solve for x
x = 102,849,243,348,988,384/403,180,938.21 - Step 6: Final answer
x = 255,094,508.70
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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.