Finding the Fourth Proportional to 480,411,648.36, 720,681,918.12 and 169,446,164.28
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Solution
The fourth proportional to 480,411,648.36, 720,681,918.12 and 169,446,164.28 is: 254,191,977.04
Step by Step Solution
- Step 1: Write the proportion equation
480,411,648.36 : 720,681,918.12 = 169,446,164.28 : x - Step 2: Convert to fraction form
480,411,648.36/720,681,918.12 = 169,446,164.28/x - Step 3: Cross multiply
480,411,648.36x = 720,681,918.12 × 169,446,164.28 - Step 4: Simplify right side
480,411,648.36x = 122,116,786,691,387,024 - Step 5: Solve for x
x = 122,116,786,691,387,024/480,411,648.36 - Step 6: Final answer
x = 254,191,977.04
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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.